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Finding the Fourth Proportional to 536,357,593.60, 804,536,390.40 and 191,700,390.40

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Solution

The fourth proportional to 536,357,593.60, 804,536,390.40 and 191,700,390.40 is: 287,550,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,357,593.60 : 804,536,390.40 = 191,700,390.40 : x
  2. Step 2: Convert to fraction form
    536,357,593.60/804,536,390.40 = 191,700,390.40/x
  3. Step 3: Cross multiply
    536,357,593.60x = 804,536,390.40 × 191,700,390.40
  4. Step 4: Simplify right side
    536,357,593.60x = 154,229,940,130,686,816
  5. Step 5: Solve for x
    x = 154,229,940,130,686,816/536,357,593.60
  6. Step 6: Final answer
    x = 287,550,585.60

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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.