Home / 257,031,328,000.80-385,546,992,001.20-91,536,150,784.80

Finding the Fourth Proportional to 257,031,328,000.80, 385,546,992,001.20 and 91,536,150,784.80

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Solution

The fourth proportional to 257,031,328,000.80, 385,546,992,001.20 and 91,536,150,784.80 is: 137,304,226,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,031,328,000.80 : 385,546,992,001.20 = 91,536,150,784.80 : x
  2. Step 2: Convert to fraction form
    257,031,328,000.80/385,546,992,001.20 = 91,536,150,784.80/x
  3. Step 3: Cross multiply
    257,031,328,000.80x = 385,546,992,001.20 × 91,536,150,784.80
  4. Step 4: Simplify right side
    257,031,328,000.80x = 35,291,487,594,447,923,838,976
  5. Step 5: Solve for x
    x = 35,291,487,594,447,923,838,976/257,031,328,000.80
  6. Step 6: Final answer
    x = 137,304,226,177.20

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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.