Home / 1,084,641,290.45-1,495,291,921.94-727,472,893.51

Finding the Fourth Proportional to 1,084,641,290.45, 1,495,291,921.94 and 727,472,893.51

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Solution

The fourth proportional to 1,084,641,290.45, 1,495,291,921.94 and 727,472,893.51 is: 1,002,897,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,641,290.45 : 1,495,291,921.94 = 727,472,893.51 : x
  2. Step 2: Convert to fraction form
    1,084,641,290.45/1,495,291,921.94 = 727,472,893.51/x
  3. Step 3: Cross multiply
    1,084,641,290.45x = 1,495,291,921.94 × 727,472,893.51
  4. Step 4: Simplify right side
    1,084,641,290.45x = 1,087,784,341,094,052,608
  5. Step 5: Solve for x
    x = 1,087,784,341,094,052,608/1,084,641,290.45
  6. Step 6: Final answer
    x = 1,002,897,778.90

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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.