Home / 458,842,063.28-688,262,471.60-213,064,301.92

Finding the Fourth Proportional to 458,842,063.28, 688,262,471.60 and 213,064,301.92

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Solution

The fourth proportional to 458,842,063.28, 688,262,471.60 and 213,064,301.92 is: 319,596,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,842,063.28 : 688,262,471.60 = 213,064,301.92 : x
  2. Step 2: Convert to fraction form
    458,842,063.28/688,262,471.60 = 213,064,301.92/x
  3. Step 3: Cross multiply
    458,842,063.28x = 688,262,471.60 × 213,064,301.92
  4. Step 4: Simplify right side
    458,842,063.28x = 146,644,163,049,187,808
  5. Step 5: Solve for x
    x = 146,644,163,049,187,808/458,842,063.28
  6. Step 6: Final answer
    x = 319,596,163.44

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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.