Home / 522,002,225.64-720,381,762.36-287,071,055.22

Finding the Fourth Proportional to 522,002,225.64, 720,381,762.36 and 287,071,055.22

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Solution

The fourth proportional to 522,002,225.64, 720,381,762.36 and 287,071,055.22 is: 396,168,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,002,225.64 : 720,381,762.36 = 287,071,055.22 : x
  2. Step 2: Convert to fraction form
    522,002,225.64/720,381,762.36 = 287,071,055.22/x
  3. Step 3: Cross multiply
    522,002,225.64x = 720,381,762.36 × 287,071,055.22
  4. Step 4: Simplify right side
    522,002,225.64x = 206,800,752,681,928,512
  5. Step 5: Solve for x
    x = 206,800,752,681,928,512/522,002,225.64
  6. Step 6: Final answer
    x = 396,168,335.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.