Home / 979,244,246.10-1,468,866,369.15-688,439,730.90

Finding the Fourth Proportional to 979,244,246.10, 1,468,866,369.15 and 688,439,730.90

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Solution

The fourth proportional to 979,244,246.10, 1,468,866,369.15 and 688,439,730.90 is: 1,032,659,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,244,246.10 : 1,468,866,369.15 = 688,439,730.90 : x
  2. Step 2: Convert to fraction form
    979,244,246.10/1,468,866,369.15 = 688,439,730.90/x
  3. Step 3: Cross multiply
    979,244,246.10x = 1,468,866,369.15 × 688,439,730.90
  4. Step 4: Simplify right side
    979,244,246.10x = 1,011,225,967,905,686,144
  5. Step 5: Solve for x
    x = 1,011,225,967,905,686,144/979,244,246.10
  6. Step 6: Final answer
    x = 1,032,659,596.35

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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.