Home / 885,694,695.60-1,328,542,043.40-340,454,017.20

Finding the Fourth Proportional to 885,694,695.60, 1,328,542,043.40 and 340,454,017.20

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Solution

The fourth proportional to 885,694,695.60, 1,328,542,043.40 and 340,454,017.20 is: 510,681,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,694,695.60 : 1,328,542,043.40 = 340,454,017.20 : x
  2. Step 2: Convert to fraction form
    885,694,695.60/1,328,542,043.40 = 340,454,017.20/x
  3. Step 3: Cross multiply
    885,694,695.60x = 1,328,542,043.40 × 340,454,017.20
  4. Step 4: Simplify right side
    885,694,695.60x = 452,307,475,694,626,752
  5. Step 5: Solve for x
    x = 452,307,475,694,626,752/885,694,695.60
  6. Step 6: Final answer
    x = 510,681,025.80

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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.