Home / 288,516,536.64-398,162,449.44-158,136,678.72

Finding the Fourth Proportional to 288,516,536.64, 398,162,449.44 and 158,136,678.72

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Solution

The fourth proportional to 288,516,536.64, 398,162,449.44 and 158,136,678.72 is: 218,233,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,516,536.64 : 398,162,449.44 = 158,136,678.72 : x
  2. Step 2: Convert to fraction form
    288,516,536.64/398,162,449.44 = 158,136,678.72/x
  3. Step 3: Cross multiply
    288,516,536.64x = 398,162,449.44 × 158,136,678.72
  4. Step 4: Simplify right side
    288,516,536.64x = 62,964,087,345,461,520
  5. Step 5: Solve for x
    x = 62,964,087,345,461,520/288,516,536.64
  6. Step 6: Final answer
    x = 218,233,894.25

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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.