Home / 462,279,319.68-693,657,380.16-216,660,907.52

Finding the Fourth Proportional to 462,279,319.68, 693,657,380.16 and 216,660,907.52

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Solution

The fourth proportional to 462,279,319.68, 693,657,380.16 and 216,660,907.52 is: 325,103,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,279,319.68 : 693,657,380.16 = 216,660,907.52 : x
  2. Step 2: Convert to fraction form
    462,279,319.68/693,657,380.16 = 216,660,907.52/x
  3. Step 3: Cross multiply
    462,279,319.68x = 693,657,380.16 × 216,660,907.52
  4. Step 4: Simplify right side
    462,279,319.68x = 150,288,437,493,411,232
  5. Step 5: Solve for x
    x = 150,288,437,493,411,232/462,279,319.68
  6. Step 6: Final answer
    x = 325,103,094.81

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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.