Home / 474,092,728,275.12-654,248,449,222.15-257,318,967,508.20

Finding the Fourth Proportional to 474,092,728,275.12, 654,248,449,222.15 and 257,318,967,508.20

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Solution

The fourth proportional to 474,092,728,275.12, 654,248,449,222.15 and 257,318,967,508.20 is: 355,100,437,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,092,728,275.12 : 654,248,449,222.15 = 257,318,967,508.20 : x
  2. Step 2: Convert to fraction form
    474,092,728,275.12/654,248,449,222.15 = 257,318,967,508.20/x
  3. Step 3: Cross multiply
    474,092,728,275.12x = 654,248,449,222.15 × 257,318,967,508.20
  4. Step 4: Simplify right side
    474,092,728,275.12x = 168,350,535,447,684,665,311,232
  5. Step 5: Solve for x
    x = 168,350,535,447,684,665,311,232/474,092,728,275.12
  6. Step 6: Final answer
    x = 355,100,437,967.46

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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.