Home / 5,259,372,454.76-7,258,162,135.40-2,912,528,998.76

Finding the Fourth Proportional to 5,259,372,454.76, 7,258,162,135.40 and 2,912,528,998.76

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Solution

The fourth proportional to 5,259,372,454.76, 7,258,162,135.40 and 2,912,528,998.76 is: 4,019,416,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,372,454.76 : 7,258,162,135.40 = 2,912,528,998.76 : x
  2. Step 2: Convert to fraction form
    5,259,372,454.76/7,258,162,135.40 = 2,912,528,998.76/x
  3. Step 3: Cross multiply
    5,259,372,454.76x = 7,258,162,135.40 × 2,912,528,998.76
  4. Step 4: Simplify right side
    5,259,372,454.76x = 21,139,607,697,054,306,304
  5. Step 5: Solve for x
    x = 21,139,607,697,054,306,304/5,259,372,454.76
  6. Step 6: Final answer
    x = 4,019,416,361.72

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Half scale
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Double scale
Find fourth proportional to 5,259,372,455.76, 7,258,162,136.78 and 2,912,528,999.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.