Home / 1,090,658,801.38-1,638,409,580.42-676,441,729.15

Finding the Fourth Proportional to 1,090,658,801.38, 1,638,409,580.42 and 676,441,729.15

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Solution

The fourth proportional to 1,090,658,801.38, 1,638,409,580.42 and 676,441,729.15 is: 1,016,164,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,658,801.38 : 1,638,409,580.42 = 676,441,729.15 : x
  2. Step 2: Convert to fraction form
    1,090,658,801.38/1,638,409,580.42 = 676,441,729.15/x
  3. Step 3: Cross multiply
    1,090,658,801.38x = 1,638,409,580.42 × 676,441,729.15
  4. Step 4: Simplify right side
    1,090,658,801.38x = 1,108,288,609,635,230,848
  5. Step 5: Solve for x
    x = 1,108,288,609,635,230,848/1,090,658,801.38
  6. Step 6: Final answer
    x = 1,016,164,366.19

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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.