Home / 1,227,205,472.94-1,693,548,724.55-691,363,567.02

Finding the Fourth Proportional to 1,227,205,472.94, 1,693,548,724.55 and 691,363,567.02

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Solution

The fourth proportional to 1,227,205,472.94, 1,693,548,724.55 and 691,363,567.02 is: 954,084,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,205,472.94 : 1,693,548,724.55 = 691,363,567.02 : x
  2. Step 2: Convert to fraction form
    1,227,205,472.94/1,693,548,724.55 = 691,363,567.02/x
  3. Step 3: Cross multiply
    1,227,205,472.94x = 1,693,548,724.55 × 691,363,567.02
  4. Step 4: Simplify right side
    1,227,205,472.94x = 1,170,857,887,127,059,456
  5. Step 5: Solve for x
    x = 1,170,857,887,127,059,456/1,227,205,472.94
  6. Step 6: Final answer
    x = 954,084,636.15

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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.