Home / 681,251,740.71-940,127,780.00-367,985,956.35

Finding the Fourth Proportional to 681,251,740.71, 940,127,780.00 and 367,985,956.35

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Solution

The fourth proportional to 681,251,740.71, 940,127,780.00 and 367,985,956.35 is: 507,820,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,251,740.71 : 940,127,780.00 = 367,985,956.35 : x
  2. Step 2: Convert to fraction form
    681,251,740.71/940,127,780.00 = 367,985,956.35/x
  3. Step 3: Cross multiply
    681,251,740.71x = 940,127,780.00 × 367,985,956.35
  4. Step 4: Simplify right side
    681,251,740.71x = 345,953,820,212,662,528
  5. Step 5: Solve for x
    x = 345,953,820,212,662,528/681,251,740.71
  6. Step 6: Final answer
    x = 507,820,823.84

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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.