Home / 1,117,551,661.56-1,541,736,701.68-665,175,971.98

Finding the Fourth Proportional to 1,117,551,661.56, 1,541,736,701.68 and 665,175,971.98

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Solution

The fourth proportional to 1,117,551,661.56, 1,541,736,701.68 and 665,175,971.98 is: 917,654,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,551,661.56 : 1,541,736,701.68 = 665,175,971.98 : x
  2. Step 2: Convert to fraction form
    1,117,551,661.56/1,541,736,701.68 = 665,175,971.98/x
  3. Step 3: Cross multiply
    1,117,551,661.56x = 1,541,736,701.68 × 665,175,971.98
  4. Step 4: Simplify right side
    1,117,551,661.56x = 1,025,526,209,077,233,408
  5. Step 5: Solve for x
    x = 1,025,526,209,077,233,408/1,117,551,661.56
  6. Step 6: Final answer
    x = 917,654,408.61

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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.