Home / 726,740,327.80-1,090,110,491.70-358,451,714.80

Finding the Fourth Proportional to 726,740,327.80, 1,090,110,491.70 and 358,451,714.80

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Solution

The fourth proportional to 726,740,327.80, 1,090,110,491.70 and 358,451,714.80 is: 537,677,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,740,327.80 : 1,090,110,491.70 = 358,451,714.80 : x
  2. Step 2: Convert to fraction form
    726,740,327.80/1,090,110,491.70 = 358,451,714.80/x
  3. Step 3: Cross multiply
    726,740,327.80x = 1,090,110,491.70 × 358,451,714.80
  4. Step 4: Simplify right side
    726,740,327.80x = 390,751,975,071,336,192
  5. Step 5: Solve for x
    x = 390,751,975,071,336,192/726,740,327.80
  6. Step 6: Final answer
    x = 537,677,572.20

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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.