Home / 1,117,551,660.69-1,541,736,700.47-665,175,971.10

Finding the Fourth Proportional to 1,117,551,660.69, 1,541,736,700.47 and 665,175,971.10

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Solution

The fourth proportional to 1,117,551,660.69, 1,541,736,700.47 and 665,175,971.10 is: 917,654,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,551,660.69 : 1,541,736,700.47 = 665,175,971.10 : x
  2. Step 2: Convert to fraction form
    1,117,551,660.69/1,541,736,700.47 = 665,175,971.10/x
  3. Step 3: Cross multiply
    1,117,551,660.69x = 1,541,736,700.47 × 665,175,971.10
  4. Step 4: Simplify right side
    1,117,551,660.69x = 1,025,526,206,923,951,232
  5. Step 5: Solve for x
    x = 1,025,526,206,923,951,232/1,117,551,660.69
  6. Step 6: Final answer
    x = 917,654,407.40

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Double scale
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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.