Home / 1,129,554,040.90-1,694,331,061.35-402,280,312.90

Finding the Fourth Proportional to 1,129,554,040.90, 1,694,331,061.35 and 402,280,312.90

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Solution

The fourth proportional to 1,129,554,040.90, 1,694,331,061.35 and 402,280,312.90 is: 603,420,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,554,040.90 : 1,694,331,061.35 = 402,280,312.90 : x
  2. Step 2: Convert to fraction form
    1,129,554,040.90/1,694,331,061.35 = 402,280,312.90/x
  3. Step 3: Cross multiply
    1,129,554,040.90x = 1,694,331,061.35 × 402,280,312.90
  4. Step 4: Simplify right side
    1,129,554,040.90x = 681,596,029,516,067,072
  5. Step 5: Solve for x
    x = 681,596,029,516,067,072/1,129,554,040.90
  6. Step 6: Final answer
    x = 603,420,469.35

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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.