Home / 348,194,422.40-521,535,806.40-287,728,246.40

Finding the Fourth Proportional to 348,194,422.40, 521,535,806.40 and 287,728,246.40

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Solution

The fourth proportional to 348,194,422.40, 521,535,806.40 and 287,728,246.40 is: 430,967,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,194,422.40 : 521,535,806.40 = 287,728,246.40 : x
  2. Step 2: Convert to fraction form
    348,194,422.40/521,535,806.40 = 287,728,246.40/x
  3. Step 3: Cross multiply
    348,194,422.40x = 521,535,806.40 × 287,728,246.40
  4. Step 4: Simplify right side
    348,194,422.40x = 150,060,583,010,281,888
  5. Step 5: Solve for x
    x = 150,060,583,010,281,888/348,194,422.40
  6. Step 6: Final answer
    x = 430,967,796.60

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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.