Home / 1,107,290,103.52-1,656,849,077.64-664,902,204.64

Finding the Fourth Proportional to 1,107,290,103.52, 1,656,849,077.64 and 664,902,204.64

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Solution

The fourth proportional to 1,107,290,103.52, 1,656,849,077.64 and 664,902,204.64 is: 994,899,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,290,103.52 : 1,656,849,077.64 = 664,902,204.64 : x
  2. Step 2: Convert to fraction form
    1,107,290,103.52/1,656,849,077.64 = 664,902,204.64/x
  3. Step 3: Cross multiply
    1,107,290,103.52x = 1,656,849,077.64 × 664,902,204.64
  4. Step 4: Simplify right side
    1,107,290,103.52x = 1,101,642,604,478,586,624
  5. Step 5: Solve for x
    x = 1,101,642,604,478,586,624/1,107,290,103.52
  6. Step 6: Final answer
    x = 994,899,711.45

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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.