Home / 979,244,606.60-1,468,866,909.90-688,440,091.40

Finding the Fourth Proportional to 979,244,606.60, 1,468,866,909.90 and 688,440,091.40

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Solution

The fourth proportional to 979,244,606.60, 1,468,866,909.90 and 688,440,091.40 is: 1,032,660,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,244,606.60 : 1,468,866,909.90 = 688,440,091.40 : x
  2. Step 2: Convert to fraction form
    979,244,606.60/1,468,866,909.90 = 688,440,091.40/x
  3. Step 3: Cross multiply
    979,244,606.60x = 1,468,866,909.90 × 688,440,091.40
  4. Step 4: Simplify right side
    979,244,606.60x = 1,011,226,869,705,991,552
  5. Step 5: Solve for x
    x = 1,011,226,869,705,991,552/979,244,606.60
  6. Step 6: Final answer
    x = 1,032,660,137.10

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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.