Home / 354,287,726.40-531,431,589.60-282,624,110.40

Finding the Fourth Proportional to 354,287,726.40, 531,431,589.60 and 282,624,110.40

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Solution

The fourth proportional to 354,287,726.40, 531,431,589.60 and 282,624,110.40 is: 423,936,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,726.40 : 531,431,589.60 = 282,624,110.40 : x
  2. Step 2: Convert to fraction form
    354,287,726.40/531,431,589.60 = 282,624,110.40/x
  3. Step 3: Cross multiply
    354,287,726.40x = 531,431,589.60 × 282,624,110.40
  4. Step 4: Simplify right side
    354,287,726.40x = 150,195,380,249,157,888
  5. Step 5: Solve for x
    x = 150,195,380,249,157,888/354,287,726.40
  6. Step 6: Final answer
    x = 423,936,165.60

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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.