Home / 983,815,433.73-1,475,723,150.70-328,766,459.97

Finding the Fourth Proportional to 983,815,433.73, 1,475,723,150.70 and 328,766,459.97

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Solution

The fourth proportional to 983,815,433.73, 1,475,723,150.70 and 328,766,459.97 is: 493,149,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,815,433.73 : 1,475,723,150.70 = 328,766,459.97 : x
  2. Step 2: Convert to fraction form
    983,815,433.73/1,475,723,150.70 = 328,766,459.97/x
  3. Step 3: Cross multiply
    983,815,433.73x = 1,475,723,150.70 × 328,766,459.97
  4. Step 4: Simplify right side
    983,815,433.73x = 485,168,276,155,698,432
  5. Step 5: Solve for x
    x = 485,168,276,155,698,432/983,815,433.73
  6. Step 6: Final answer
    x = 493,149,689.99

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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.