Home / 8,620,668,035.40-12,931,002,053.10-8,539,038,697.80

Finding the Fourth Proportional to 8,620,668,035.40, 12,931,002,053.10 and 8,539,038,697.80

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Solution

The fourth proportional to 8,620,668,035.40, 12,931,002,053.10 and 8,539,038,697.80 is: 12,808,558,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,668,035.40 : 12,931,002,053.10 = 8,539,038,697.80 : x
  2. Step 2: Convert to fraction form
    8,620,668,035.40/12,931,002,053.10 = 8,539,038,697.80/x
  3. Step 3: Cross multiply
    8,620,668,035.40x = 12,931,002,053.10 × 8,539,038,697.80
  4. Step 4: Simplify right side
    8,620,668,035.40x = 110,418,326,932,752,154,624
  5. Step 5: Solve for x
    x = 110,418,326,932,752,154,624/8,620,668,035.40
  6. Step 6: Final answer
    x = 12,808,558,046.70

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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.