Home / 526,564,900.32-726,309,671.64-338,630,799.84

Finding the Fourth Proportional to 526,564,900.32, 726,309,671.64 and 338,630,799.84

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Solution

The fourth proportional to 526,564,900.32, 726,309,671.64 and 338,630,799.84 is: 467,085,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,564,900.32 : 726,309,671.64 = 338,630,799.84 : x
  2. Step 2: Convert to fraction form
    526,564,900.32/726,309,671.64 = 338,630,799.84/x
  3. Step 3: Cross multiply
    526,564,900.32x = 726,309,671.64 × 338,630,799.84
  4. Step 4: Simplify right side
    526,564,900.32x = 245,950,825,038,980,928
  5. Step 5: Solve for x
    x = 245,950,825,038,980,928/526,564,900.32
  6. Step 6: Final answer
    x = 467,085,491.06

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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.