Home / 1,023,120,107.80-1,534,680,161.70-377,139,794.20

Finding the Fourth Proportional to 1,023,120,107.80, 1,534,680,161.70 and 377,139,794.20

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Solution

The fourth proportional to 1,023,120,107.80, 1,534,680,161.70 and 377,139,794.20 is: 565,709,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,120,107.80 : 1,534,680,161.70 = 377,139,794.20 : x
  2. Step 2: Convert to fraction form
    1,023,120,107.80/1,534,680,161.70 = 377,139,794.20/x
  3. Step 3: Cross multiply
    1,023,120,107.80x = 1,534,680,161.70 × 377,139,794.20
  4. Step 4: Simplify right side
    1,023,120,107.80x = 578,788,960,346,360,704
  5. Step 5: Solve for x
    x = 578,788,960,346,360,704/1,023,120,107.80
  6. Step 6: Final answer
    x = 565,709,691.30

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Double scale
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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.