Home / 897,043,780.20-1,345,817,612.70-436,996,957.80

Finding the Fourth Proportional to 897,043,780.20, 1,345,817,612.70 and 436,996,957.80

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Solution

The fourth proportional to 897,043,780.20, 1,345,817,612.70 and 436,996,957.80 is: 655,618,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,043,780.20 : 1,345,817,612.70 = 436,996,957.80 : x
  2. Step 2: Convert to fraction form
    897,043,780.20/1,345,817,612.70 = 436,996,957.80/x
  3. Step 3: Cross multiply
    897,043,780.20x = 1,345,817,612.70 × 436,996,957.80
  4. Step 4: Simplify right side
    897,043,780.20x = 588,118,202,503,558,656
  5. Step 5: Solve for x
    x = 588,118,202,503,558,656/897,043,780.20
  6. Step 6: Final answer
    x = 655,618,171.02

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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.