Home / 698,162,646.15-1,046,928,819.80-200,059,230.20

Finding the Fourth Proportional to 698,162,646.15, 1,046,928,819.80 and 200,059,230.20

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Solution

The fourth proportional to 698,162,646.15, 1,046,928,819.80 and 200,059,230.20 is: 299,998,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,162,646.15 : 1,046,928,819.80 = 200,059,230.20 : x
  2. Step 2: Convert to fraction form
    698,162,646.15/1,046,928,819.80 = 200,059,230.20/x
  3. Step 3: Cross multiply
    698,162,646.15x = 1,046,928,819.80 × 200,059,230.20
  4. Step 4: Simplify right side
    698,162,646.15x = 209,447,773,763,382,496
  5. Step 5: Solve for x
    x = 209,447,773,763,382,496/698,162,646.15
  6. Step 6: Final answer
    x = 299,998,538.91

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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.