Home / 1,274,449,016.22-1,758,506,171.22-709,919,849.12

Finding the Fourth Proportional to 1,274,449,016.22, 1,758,506,171.22 and 709,919,849.12

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Solution

The fourth proportional to 1,274,449,016.22, 1,758,506,171.22 and 709,919,849.12 is: 979,559,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,449,016.22 : 1,758,506,171.22 = 709,919,849.12 : x
  2. Step 2: Convert to fraction form
    1,274,449,016.22/1,758,506,171.22 = 709,919,849.12/x
  3. Step 3: Cross multiply
    1,274,449,016.22x = 1,758,506,171.22 × 709,919,849.12
  4. Step 4: Simplify right side
    1,274,449,016.22x = 1,248,398,435,740,298,752
  5. Step 5: Solve for x
    x = 1,248,398,435,740,298,752/1,274,449,016.22
  6. Step 6: Final answer
    x = 979,559,338.86

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Double scale
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1.5x scale

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.