Home / 498,256,334.40-747,384,501.60-207,026,666.40

Finding the Fourth Proportional to 498,256,334.40, 747,384,501.60 and 207,026,666.40

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Solution

The fourth proportional to 498,256,334.40, 747,384,501.60 and 207,026,666.40 is: 310,539,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,256,334.40 : 747,384,501.60 = 207,026,666.40 : x
  2. Step 2: Convert to fraction form
    498,256,334.40/747,384,501.60 = 207,026,666.40/x
  3. Step 3: Cross multiply
    498,256,334.40x = 747,384,501.60 × 207,026,666.40
  4. Step 4: Simplify right side
    498,256,334.40x = 154,728,521,885,273,472
  5. Step 5: Solve for x
    x = 154,728,521,885,273,472/498,256,334.40
  6. Step 6: Final answer
    x = 310,539,999.60

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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.