Home / 315,044,354.20-472,566,531.30-272,577,026.20

Finding the Fourth Proportional to 315,044,354.20, 472,566,531.30 and 272,577,026.20

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Solution

The fourth proportional to 315,044,354.20, 472,566,531.30 and 272,577,026.20 is: 408,865,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,354.20 : 472,566,531.30 = 272,577,026.20 : x
  2. Step 2: Convert to fraction form
    315,044,354.20/472,566,531.30 = 272,577,026.20/x
  3. Step 3: Cross multiply
    315,044,354.20x = 472,566,531.30 × 272,577,026.20
  4. Step 4: Simplify right side
    315,044,354.20x = 128,810,779,783,403,216
  5. Step 5: Solve for x
    x = 128,810,779,783,403,216/315,044,354.20
  6. Step 6: Final answer
    x = 408,865,539.30

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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.