Home / 727,596,355.24-1,091,399,256.78-290,933,724.16

Finding the Fourth Proportional to 727,596,355.24, 1,091,399,256.78 and 290,933,724.16

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Solution

The fourth proportional to 727,596,355.24, 1,091,399,256.78 and 290,933,724.16 is: 436,402,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,596,355.24 : 1,091,399,256.78 = 290,933,724.16 : x
  2. Step 2: Convert to fraction form
    727,596,355.24/1,091,399,256.78 = 290,933,724.16/x
  3. Step 3: Cross multiply
    727,596,355.24x = 1,091,399,256.78 × 290,933,724.16
  4. Step 4: Simplify right side
    727,596,355.24x = 317,524,850,320,461,568
  5. Step 5: Solve for x
    x = 317,524,850,320,461,568/727,596,355.24
  6. Step 6: Final answer
    x = 436,402,475.13

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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.