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Finding the Fourth Proportional to 825,849,000.60, 1,238,773,500.90 and 580,482,690.90

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Solution

The fourth proportional to 825,849,000.60, 1,238,773,500.90 and 580,482,690.90 is: 870,724,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,849,000.60 : 1,238,773,500.90 = 580,482,690.90 : x
  2. Step 2: Convert to fraction form
    825,849,000.60/1,238,773,500.90 = 580,482,690.90/x
  3. Step 3: Cross multiply
    825,849,000.60x = 1,238,773,500.90 × 580,482,690.90
  4. Step 4: Simplify right side
    825,849,000.60x = 719,086,575,218,045,568
  5. Step 5: Solve for x
    x = 719,086,575,218,045,568/825,849,000.60
  6. Step 6: Final answer
    x = 870,724,036.35

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1.5x scale

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.