Home / 917,712,965.97-1,377,205,190.55-364,958,756.73

Finding the Fourth Proportional to 917,712,965.97, 1,377,205,190.55 and 364,958,756.73

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Solution

The fourth proportional to 917,712,965.97, 1,377,205,190.55 and 364,958,756.73 is: 547,690,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,712,965.97 : 1,377,205,190.55 = 364,958,756.73 : x
  2. Step 2: Convert to fraction form
    917,712,965.97/1,377,205,190.55 = 364,958,756.73/x
  3. Step 3: Cross multiply
    917,712,965.97x = 1,377,205,190.55 × 364,958,756.73
  4. Step 4: Simplify right side
    917,712,965.97x = 502,623,094,105,230,784
  5. Step 5: Solve for x
    x = 502,623,094,105,230,784/917,712,965.97
  6. Step 6: Final answer
    x = 547,690,958.66

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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.