Home / 555,240,748.89-766,232,306.05-307,738,082.01

Finding the Fourth Proportional to 555,240,748.89, 766,232,306.05 and 307,738,082.01

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Solution

The fourth proportional to 555,240,748.89, 766,232,306.05 and 307,738,082.01 is: 424,678,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,240,748.89 : 766,232,306.05 = 307,738,082.01 : x
  2. Step 2: Convert to fraction form
    555,240,748.89/766,232,306.05 = 307,738,082.01/x
  3. Step 3: Cross multiply
    555,240,748.89x = 766,232,306.05 × 307,738,082.01
  4. Step 4: Simplify right side
    555,240,748.89x = 235,798,860,240,615,040
  5. Step 5: Solve for x
    x = 235,798,860,240,615,040/555,240,748.89
  6. Step 6: Final answer
    x = 424,678,593.40

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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.