Home / 543,834,601.20-815,751,901.80-457,741,159.20

Finding the Fourth Proportional to 543,834,601.20, 815,751,901.80 and 457,741,159.20

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Solution

The fourth proportional to 543,834,601.20, 815,751,901.80 and 457,741,159.20 is: 686,611,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,834,601.20 : 815,751,901.80 = 457,741,159.20 : x
  2. Step 2: Convert to fraction form
    543,834,601.20/815,751,901.80 = 457,741,159.20/x
  3. Step 3: Cross multiply
    543,834,601.20x = 815,751,901.80 × 457,741,159.20
  4. Step 4: Simplify right side
    543,834,601.20x = 373,403,221,149,536,512
  5. Step 5: Solve for x
    x = 373,403,221,149,536,512/543,834,601.20
  6. Step 6: Final answer
    x = 686,611,738.80

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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.