Home / 726,740,343.80-1,090,110,515.70-358,451,730.80

Finding the Fourth Proportional to 726,740,343.80, 1,090,110,515.70 and 358,451,730.80

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Solution

The fourth proportional to 726,740,343.80, 1,090,110,515.70 and 358,451,730.80 is: 537,677,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,740,343.80 : 1,090,110,515.70 = 358,451,730.80 : x
  2. Step 2: Convert to fraction form
    726,740,343.80/1,090,110,515.70 = 358,451,730.80/x
  3. Step 3: Cross multiply
    726,740,343.80x = 1,090,110,515.70 × 358,451,730.80
  4. Step 4: Simplify right side
    726,740,343.80x = 390,752,001,115,945,600
  5. Step 5: Solve for x
    x = 390,752,001,115,945,600/726,740,343.80
  6. Step 6: Final answer
    x = 537,677,596.20

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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.