Home / 11,861,355,288.15-16,368,920,365.55-6,508,868,828.40

Finding the Fourth Proportional to 11,861,355,288.15, 16,368,920,365.55 and 6,508,868,828.40

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Solution

The fourth proportional to 11,861,355,288.15, 16,368,920,365.55 and 6,508,868,828.40 is: 8,982,376,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861,355,288.15 : 16,368,920,365.55 = 6,508,868,828.40 : x
  2. Step 2: Convert to fraction form
    11,861,355,288.15/16,368,920,365.55 = 6,508,868,828.40/x
  3. Step 3: Cross multiply
    11,861,355,288.15x = 16,368,920,365.55 × 6,508,868,828.40
  4. Step 4: Simplify right side
    11,861,355,288.15x = 106,543,155,521,857,781,760
  5. Step 5: Solve for x
    x = 106,543,155,521,857,781,760/11,861,355,288.15
  6. Step 6: Final answer
    x = 8,982,376,206.90

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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.