Home / 283,784,280.40-391,815,947.20-183,555,670.40

Finding the Fourth Proportional to 283,784,280.40, 391,815,947.20 and 183,555,670.40

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Solution

The fourth proportional to 283,784,280.40, 391,815,947.20 and 183,555,670.40 is: 253,432,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,784,280.40 : 391,815,947.20 = 183,555,670.40 : x
  2. Step 2: Convert to fraction form
    283,784,280.40/391,815,947.20 = 183,555,670.40/x
  3. Step 3: Cross multiply
    283,784,280.40x = 391,815,947.20 × 183,555,670.40
  4. Step 4: Simplify right side
    283,784,280.40x = 71,920,038,861,707,000
  5. Step 5: Solve for x
    x = 71,920,038,861,707,000/283,784,280.40
  6. Step 6: Final answer
    x = 253,432,074.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.