Home / 555,240,732.30-766,232,283.15-307,738,065.42

Finding the Fourth Proportional to 555,240,732.30, 766,232,283.15 and 307,738,065.42

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Solution

The fourth proportional to 555,240,732.30, 766,232,283.15 and 307,738,065.42 is: 424,678,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,240,732.30 : 766,232,283.15 = 307,738,065.42 : x
  2. Step 2: Convert to fraction form
    555,240,732.30/766,232,283.15 = 307,738,065.42/x
  3. Step 3: Cross multiply
    555,240,732.30x = 766,232,283.15 × 307,738,065.42
  4. Step 4: Simplify right side
    555,240,732.30x = 235,798,840,478,930,656
  5. Step 5: Solve for x
    x = 235,798,840,478,930,656/555,240,732.30
  6. Step 6: Final answer
    x = 424,678,570.50

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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.