Home / 418,387,894.63-627,387,910.19-156,001,994.77

Finding the Fourth Proportional to 418,387,894.63, 627,387,910.19 and 156,001,994.77

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Solution

The fourth proportional to 418,387,894.63, 627,387,910.19 and 156,001,994.77 is: 233,930,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,387,894.63 : 627,387,910.19 = 156,001,994.77 : x
  2. Step 2: Convert to fraction form
    418,387,894.63/627,387,910.19 = 156,001,994.77/x
  3. Step 3: Cross multiply
    418,387,894.63x = 627,387,910.19 × 156,001,994.77
  4. Step 4: Simplify right side
    418,387,894.63x = 97,873,765,484,635,376
  5. Step 5: Solve for x
    x = 97,873,765,484,635,376/418,387,894.63
  6. Step 6: Final answer
    x = 233,930,681.89

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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.