Home / 885,735,615.70-1,328,603,423.55-303,276,279.70

Finding the Fourth Proportional to 885,735,615.70, 1,328,603,423.55 and 303,276,279.70

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Solution

The fourth proportional to 885,735,615.70, 1,328,603,423.55 and 303,276,279.70 is: 454,914,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,735,615.70 : 1,328,603,423.55 = 303,276,279.70 : x
  2. Step 2: Convert to fraction form
    885,735,615.70/1,328,603,423.55 = 303,276,279.70/x
  3. Step 3: Cross multiply
    885,735,615.70x = 1,328,603,423.55 × 303,276,279.70
  4. Step 4: Simplify right side
    885,735,615.70x = 402,933,903,490,927,360
  5. Step 5: Solve for x
    x = 402,933,903,490,927,360/885,735,615.70
  6. Step 6: Final answer
    x = 454,914,419.55

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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.