Home / 615,958,621.76-923,937,932.64-207,014,772.80

Finding the Fourth Proportional to 615,958,621.76, 923,937,932.64 and 207,014,772.80

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Solution

The fourth proportional to 615,958,621.76, 923,937,932.64 and 207,014,772.80 is: 310,522,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,958,621.76 : 923,937,932.64 = 207,014,772.80 : x
  2. Step 2: Convert to fraction form
    615,958,621.76/923,937,932.64 = 207,014,772.80/x
  3. Step 3: Cross multiply
    615,958,621.76x = 923,937,932.64 × 207,014,772.80
  4. Step 4: Simplify right side
    615,958,621.76x = 191,268,801,206,771,328
  5. Step 5: Solve for x
    x = 191,268,801,206,771,328/615,958,621.76
  6. Step 6: Final answer
    x = 310,522,159.20

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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.