Home / 1,121,934,110.10-1,682,901,165.15-747,427,637.40

Finding the Fourth Proportional to 1,121,934,110.10, 1,682,901,165.15 and 747,427,637.40

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Solution

The fourth proportional to 1,121,934,110.10, 1,682,901,165.15 and 747,427,637.40 is: 1,121,141,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,934,110.10 : 1,682,901,165.15 = 747,427,637.40 : x
  2. Step 2: Convert to fraction form
    1,121,934,110.10/1,682,901,165.15 = 747,427,637.40/x
  3. Step 3: Cross multiply
    1,121,934,110.10x = 1,682,901,165.15 × 747,427,637.40
  4. Step 4: Simplify right side
    1,121,934,110.10x = 1,257,846,841,845,771,776
  5. Step 5: Solve for x
    x = 1,257,846,841,845,771,776/1,121,934,110.10
  6. Step 6: Final answer
    x = 1,121,141,456.10

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Double scale
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1.5x scale

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.