Home / 438,130,810.48-604,620,665.10-239,904,842.92

Finding the Fourth Proportional to 438,130,810.48, 604,620,665.10 and 239,904,842.92

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Solution

The fourth proportional to 438,130,810.48, 604,620,665.10 and 239,904,842.92 is: 331,068,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,130,810.48 : 604,620,665.10 = 239,904,842.92 : x
  2. Step 2: Convert to fraction form
    438,130,810.48/604,620,665.10 = 239,904,842.92/x
  3. Step 3: Cross multiply
    438,130,810.48x = 604,620,665.10 × 239,904,842.92
  4. Step 4: Simplify right side
    438,130,810.48x = 145,051,425,687,001,408
  5. Step 5: Solve for x
    x = 145,051,425,687,001,408/438,130,810.48
  6. Step 6: Final answer
    x = 331,068,763.52

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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.