Home / 438,049,238.80-657,073,858.20-366,385,622.80

Finding the Fourth Proportional to 438,049,238.80, 657,073,858.20 and 366,385,622.80

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Solution

The fourth proportional to 438,049,238.80, 657,073,858.20 and 366,385,622.80 is: 549,578,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,049,238.80 : 657,073,858.20 = 366,385,622.80 : x
  2. Step 2: Convert to fraction form
    438,049,238.80/657,073,858.20 = 366,385,622.80/x
  3. Step 3: Cross multiply
    438,049,238.80x = 657,073,858.20 × 366,385,622.80
  4. Step 4: Simplify right side
    438,049,238.80x = 240,742,414,762,205,920
  5. Step 5: Solve for x
    x = 240,742,414,762,205,920/438,049,238.80
  6. Step 6: Final answer
    x = 549,578,434.20

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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.