Home / 1,306,379,487.60-1,959,569,231.40-488,385,500.40

Finding the Fourth Proportional to 1,306,379,487.60, 1,959,569,231.40 and 488,385,500.40

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Solution

The fourth proportional to 1,306,379,487.60, 1,959,569,231.40 and 488,385,500.40 is: 732,578,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,379,487.60 : 1,959,569,231.40 = 488,385,500.40 : x
  2. Step 2: Convert to fraction form
    1,306,379,487.60/1,959,569,231.40 = 488,385,500.40/x
  3. Step 3: Cross multiply
    1,306,379,487.60x = 1,959,569,231.40 × 488,385,500.40
  4. Step 4: Simplify right side
    1,306,379,487.60x = 957,025,199,645,732,352
  5. Step 5: Solve for x
    x = 957,025,199,645,732,352/1,306,379,487.60
  6. Step 6: Final answer
    x = 732,578,250.60

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Double scale
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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.