Home / 438,130,809.48-604,620,663.72-239,904,841.92

Finding the Fourth Proportional to 438,130,809.48, 604,620,663.72 and 239,904,841.92

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Solution

The fourth proportional to 438,130,809.48, 604,620,663.72 and 239,904,841.92 is: 331,068,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,130,809.48 : 604,620,663.72 = 239,904,841.92 : x
  2. Step 2: Convert to fraction form
    438,130,809.48/604,620,663.72 = 239,904,841.92/x
  3. Step 3: Cross multiply
    438,130,809.48x = 604,620,663.72 × 239,904,841.92
  4. Step 4: Simplify right side
    438,130,809.48x = 145,051,424,751,312,064
  5. Step 5: Solve for x
    x = 145,051,424,751,312,064/438,130,809.48
  6. Step 6: Final answer
    x = 331,068,762.14

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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.