Home / 20,342,193,390.87-28,073,799,337.45-12,204,303,058.83

Finding the Fourth Proportional to 20,342,193,390.87, 28,073,799,337.45 and 12,204,303,058.83

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Solution

The fourth proportional to 20,342,193,390.87, 28,073,799,337.45 and 12,204,303,058.83 is: 16,842,881,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,193,390.87 : 28,073,799,337.45 = 12,204,303,058.83 : x
  2. Step 2: Convert to fraction form
    20,342,193,390.87/28,073,799,337.45 = 12,204,303,058.83/x
  3. Step 3: Cross multiply
    20,342,193,390.87x = 28,073,799,337.45 × 12,204,303,058.83
  4. Step 4: Simplify right side
    20,342,193,390.87x = 342,621,155,126,908,354,560
  5. Step 5: Solve for x
    x = 342,621,155,126,908,354,560/20,342,193,390.87
  6. Step 6: Final answer
    x = 16,842,881,617.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.