Home / 438,049,149.30-657,073,723.95-366,385,533.30

Finding the Fourth Proportional to 438,049,149.30, 657,073,723.95 and 366,385,533.30

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Solution

The fourth proportional to 438,049,149.30, 657,073,723.95 and 366,385,533.30 is: 549,578,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,049,149.30 : 657,073,723.95 = 366,385,533.30 : x
  2. Step 2: Convert to fraction form
    438,049,149.30/657,073,723.95 = 366,385,533.30/x
  3. Step 3: Cross multiply
    438,049,149.30x = 657,073,723.95 × 366,385,533.30
  4. Step 4: Simplify right side
    438,049,149.30x = 240,742,306,766,837,760
  5. Step 5: Solve for x
    x = 240,742,306,766,837,760/438,049,149.30
  6. Step 6: Final answer
    x = 549,578,299.95

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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.