Home / 886,464,923.40-1,329,697,385.10-519,132,904.20

Finding the Fourth Proportional to 886,464,923.40, 1,329,697,385.10 and 519,132,904.20

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Solution

The fourth proportional to 886,464,923.40, 1,329,697,385.10 and 519,132,904.20 is: 778,699,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,923.40 : 1,329,697,385.10 = 519,132,904.20 : x
  2. Step 2: Convert to fraction form
    886,464,923.40/1,329,697,385.10 = 519,132,904.20/x
  3. Step 3: Cross multiply
    886,464,923.40x = 1,329,697,385.10 × 519,132,904.20
  4. Step 4: Simplify right side
    886,464,923.40x = 690,289,665,234,108,800
  5. Step 5: Solve for x
    x = 690,289,665,234,108,800/886,464,923.40
  6. Step 6: Final answer
    x = 778,699,356.30

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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.