Home / 886,464,901.40-1,329,697,352.10-519,132,882.20

Finding the Fourth Proportional to 886,464,901.40, 1,329,697,352.10 and 519,132,882.20

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Solution

The fourth proportional to 886,464,901.40, 1,329,697,352.10 and 519,132,882.20 is: 778,699,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,901.40 : 1,329,697,352.10 = 519,132,882.20 : x
  2. Step 2: Convert to fraction form
    886,464,901.40/1,329,697,352.10 = 519,132,882.20/x
  3. Step 3: Cross multiply
    886,464,901.40x = 1,329,697,352.10 × 519,132,882.20
  4. Step 4: Simplify right side
    886,464,901.40x = 690,289,618,849,381,120
  5. Step 5: Solve for x
    x = 690,289,618,849,381,120/886,464,901.40
  6. Step 6: Final answer
    x = 778,699,323.30

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Double scale
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Similar ratio
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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.