Home / 1,240,577,580.52-1,711,997,416.82-676,062,617.24

Finding the Fourth Proportional to 1,240,577,580.52, 1,711,997,416.82 and 676,062,617.24

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Solution

The fourth proportional to 1,240,577,580.52, 1,711,997,416.82 and 676,062,617.24 is: 932,966,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,577,580.52 : 1,711,997,416.82 = 676,062,617.24 : x
  2. Step 2: Convert to fraction form
    1,240,577,580.52/1,711,997,416.82 = 676,062,617.24/x
  3. Step 3: Cross multiply
    1,240,577,580.52x = 1,711,997,416.82 × 676,062,617.24
  4. Step 4: Simplify right side
    1,240,577,580.52x = 1,157,417,454,323,448,320
  5. Step 5: Solve for x
    x = 1,157,417,454,323,448,320/1,240,577,580.52
  6. Step 6: Final answer
    x = 932,966,605.63

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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.