Home / 406,223,343-609,333,686.10-147,438,218.52

Finding the Fourth Proportional to 406,223,343, 609,333,686.10 and 147,438,218.52

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Solution

The fourth proportional to 406,223,343, 609,333,686.10 and 147,438,218.52 is: 221,156,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,223,343 : 609,333,686.10 = 147,438,218.52 : x
  2. Step 2: Convert to fraction form
    406,223,343/609,333,686.10 = 147,438,218.52/x
  3. Step 3: Cross multiply
    406,223,343x = 609,333,686.10 × 147,438,218.52
  4. Step 4: Simplify right side
    406,223,343x = 89,839,073,162,808,896
  5. Step 5: Solve for x
    x = 89,839,073,162,808,896/406,223,343
  6. Step 6: Final answer
    x = 221,156,845.64

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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.