Home / 1,303,216,615.80-1,954,824,923.70-383,185,956.60

Finding the Fourth Proportional to 1,303,216,615.80, 1,954,824,923.70 and 383,185,956.60

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Solution

The fourth proportional to 1,303,216,615.80, 1,954,824,923.70 and 383,185,956.60 is: 574,778,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,216,615.80 : 1,954,824,923.70 = 383,185,956.60 : x
  2. Step 2: Convert to fraction form
    1,303,216,615.80/1,954,824,923.70 = 383,185,956.60/x
  3. Step 3: Cross multiply
    1,303,216,615.80x = 1,954,824,923.70 × 383,185,956.60
  4. Step 4: Simplify right side
    1,303,216,615.80x = 749,061,458,373,506,560
  5. Step 5: Solve for x
    x = 749,061,458,373,506,560/1,303,216,615.80
  6. Step 6: Final answer
    x = 574,778,934.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.