Home / 705,024,005.40-1,057,536,008.10-626,417,976.60

Finding the Fourth Proportional to 705,024,005.40, 1,057,536,008.10 and 626,417,976.60

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Solution

The fourth proportional to 705,024,005.40, 1,057,536,008.10 and 626,417,976.60 is: 939,626,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024,005.40 : 1,057,536,008.10 = 626,417,976.60 : x
  2. Step 2: Convert to fraction form
    705,024,005.40/1,057,536,008.10 = 626,417,976.60/x
  3. Step 3: Cross multiply
    705,024,005.40x = 1,057,536,008.10 × 626,417,976.60
  4. Step 4: Simplify right side
    705,024,005.40x = 662,459,566,375,643,264
  5. Step 5: Solve for x
    x = 662,459,566,375,643,264/705,024,005.40
  6. Step 6: Final answer
    x = 939,626,964.90

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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.