Home / 1,120,293,610.70-1,680,440,416.05-1,009,328,729.90

Finding the Fourth Proportional to 1,120,293,610.70, 1,680,440,416.05 and 1,009,328,729.90

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Solution

The fourth proportional to 1,120,293,610.70, 1,680,440,416.05 and 1,009,328,729.90 is: 1,513,993,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,293,610.70 : 1,680,440,416.05 = 1,009,328,729.90 : x
  2. Step 2: Convert to fraction form
    1,120,293,610.70/1,680,440,416.05 = 1,009,328,729.90/x
  3. Step 3: Cross multiply
    1,120,293,610.70x = 1,680,440,416.05 × 1,009,328,729.90
  4. Step 4: Simplify right side
    1,120,293,610.70x = 1,696,116,790,804,374,016
  5. Step 5: Solve for x
    x = 1,696,116,790,804,374,016/1,120,293,610.70
  6. Step 6: Final answer
    x = 1,513,993,094.85

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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.