Home / 438,049,167.90-657,073,751.85-265,720,566.30

Finding the Fourth Proportional to 438,049,167.90, 657,073,751.85 and 265,720,566.30

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Solution

The fourth proportional to 438,049,167.90, 657,073,751.85 and 265,720,566.30 is: 398,580,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,049,167.90 : 657,073,751.85 = 265,720,566.30 : x
  2. Step 2: Convert to fraction form
    438,049,167.90/657,073,751.85 = 265,720,566.30/x
  3. Step 3: Cross multiply
    438,049,167.90x = 657,073,751.85 × 265,720,566.30
  4. Step 4: Simplify right side
    438,049,167.90x = 174,598,009,442,447,680
  5. Step 5: Solve for x
    x = 174,598,009,442,447,680/438,049,167.90
  6. Step 6: Final answer
    x = 398,580,849.45

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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.