Home / 454,190,754.80-681,276,295.56-126,657,528.32

Finding the Fourth Proportional to 454,190,754.80, 681,276,295.56 and 126,657,528.32

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Solution

The fourth proportional to 454,190,754.80, 681,276,295.56 and 126,657,528.32 is: 189,983,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,190,754.80 : 681,276,295.56 = 126,657,528.32 : x
  2. Step 2: Convert to fraction form
    454,190,754.80/681,276,295.56 = 126,657,528.32/x
  3. Step 3: Cross multiply
    454,190,754.80x = 681,276,295.56 × 126,657,528.32
  4. Step 4: Simplify right side
    454,190,754.80x = 86,288,771,698,635,376
  5. Step 5: Solve for x
    x = 86,288,771,698,635,376/454,190,754.80
  6. Step 6: Final answer
    x = 189,983,549.39

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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.