Home / 288,005,462.08-397,448,591.52-155,846,459.98

Finding the Fourth Proportional to 288,005,462.08, 397,448,591.52 and 155,846,459.98

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Solution

The fourth proportional to 288,005,462.08, 397,448,591.52 and 155,846,459.98 is: 215,068,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,005,462.08 : 397,448,591.52 = 155,846,459.98 : x
  2. Step 2: Convert to fraction form
    288,005,462.08/397,448,591.52 = 155,846,459.98/x
  3. Step 3: Cross multiply
    288,005,462.08x = 397,448,591.52 × 155,846,459.98
  4. Step 4: Simplify right side
    288,005,462.08x = 61,940,956,012,429,040
  5. Step 5: Solve for x
    x = 61,940,956,012,429,040/288,005,462.08
  6. Step 6: Final answer
    x = 215,068,685.03

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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.