Home / 1,129,554,023.40-1,694,331,035.10-402,280,295.40

Finding the Fourth Proportional to 1,129,554,023.40, 1,694,331,035.10 and 402,280,295.40

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Solution

The fourth proportional to 1,129,554,023.40, 1,694,331,035.10 and 402,280,295.40 is: 603,420,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,554,023.40 : 1,694,331,035.10 = 402,280,295.40 : x
  2. Step 2: Convert to fraction form
    1,129,554,023.40/1,694,331,035.10 = 402,280,295.40/x
  3. Step 3: Cross multiply
    1,129,554,023.40x = 1,694,331,035.10 × 402,280,295.40
  4. Step 4: Simplify right side
    1,129,554,023.40x = 681,595,989,305,415,680
  5. Step 5: Solve for x
    x = 681,595,989,305,415,680/1,129,554,023.40
  6. Step 6: Final answer
    x = 603,420,443.10

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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.