Home / 19,979,352,869.70-29,966,696,472.96-8,027,121,384.30

Finding the Fourth Proportional to 19,979,352,869.70, 29,966,696,472.96 and 8,027,121,384.30

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Solution

The fourth proportional to 19,979,352,869.70, 29,966,696,472.96 and 8,027,121,384.30 is: 12,039,744,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,352,869.70 : 29,966,696,472.96 = 8,027,121,384.30 : x
  2. Step 2: Convert to fraction form
    19,979,352,869.70/29,966,696,472.96 = 8,027,121,384.30/x
  3. Step 3: Cross multiply
    19,979,352,869.70x = 29,966,696,472.96 × 8,027,121,384.30
  4. Step 4: Simplify right side
    19,979,352,869.70x = 240,546,310,074,924,597,248
  5. Step 5: Solve for x
    x = 240,546,310,074,924,597,248/19,979,352,869.70
  6. Step 6: Final answer
    x = 12,039,744,812.74

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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.