Home / 555,240,753.68-766,232,312.65-307,738,086.80

Finding the Fourth Proportional to 555,240,753.68, 766,232,312.65 and 307,738,086.80

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Solution

The fourth proportional to 555,240,753.68, 766,232,312.65 and 307,738,086.80 is: 424,678,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,240,753.68 : 766,232,312.65 = 307,738,086.80 : x
  2. Step 2: Convert to fraction form
    555,240,753.68/766,232,312.65 = 307,738,086.80/x
  3. Step 3: Cross multiply
    555,240,753.68x = 766,232,312.65 × 307,738,086.80
  4. Step 4: Simplify right side
    555,240,753.68x = 235,798,865,934,649,952
  5. Step 5: Solve for x
    x = 235,798,865,934,649,952/555,240,753.68
  6. Step 6: Final answer
    x = 424,678,600.00

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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.