Home / 787,617,026.19-1,181,553,754.59-367,858,155.13

Finding the Fourth Proportional to 787,617,026.19, 1,181,553,754.59 and 367,858,155.13

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Solution

The fourth proportional to 787,617,026.19, 1,181,553,754.59 and 367,858,155.13 is: 551,847,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,617,026.19 : 1,181,553,754.59 = 367,858,155.13 : x
  2. Step 2: Convert to fraction form
    787,617,026.19/1,181,553,754.59 = 367,858,155.13/x
  3. Step 3: Cross multiply
    787,617,026.19x = 1,181,553,754.59 × 367,858,155.13
  4. Step 4: Simplify right side
    787,617,026.19x = 434,644,184,350,780,224
  5. Step 5: Solve for x
    x = 434,644,184,350,780,224/787,617,026.19
  6. Step 6: Final answer
    x = 551,847,115.92

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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.