Home / 520,887,481,057.02-781,244,560,200.99-157,766,812,778.16

Finding the Fourth Proportional to 520,887,481,057.02, 781,244,560,200.99 and 157,766,812,778.16

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Solution

The fourth proportional to 520,887,481,057.02, 781,244,560,200.99 and 157,766,812,778.16 is: 236,623,971,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,887,481,057.02 : 781,244,560,200.99 = 157,766,812,778.16 : x
  2. Step 2: Convert to fraction form
    520,887,481,057.02/781,244,560,200.99 = 157,766,812,778.16/x
  3. Step 3: Cross multiply
    520,887,481,057.02x = 781,244,560,200.99 × 157,766,812,778.16
  4. Step 4: Simplify right side
    520,887,481,057.02x = 123,254,464,263,185,531,666,432
  5. Step 5: Solve for x
    x = 123,254,464,263,185,531,666,432/520,887,481,057.02
  6. Step 6: Final answer
    x = 236,623,971,098.46

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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.