Home / 442,120,223.10-663,180,334.65-306,071,327.10

Finding the Fourth Proportional to 442,120,223.10, 663,180,334.65 and 306,071,327.10

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Solution

The fourth proportional to 442,120,223.10, 663,180,334.65 and 306,071,327.10 is: 459,106,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,120,223.10 : 663,180,334.65 = 306,071,327.10 : x
  2. Step 2: Convert to fraction form
    442,120,223.10/663,180,334.65 = 306,071,327.10/x
  3. Step 3: Cross multiply
    442,120,223.10x = 663,180,334.65 × 306,071,327.10
  4. Step 4: Simplify right side
    442,120,223.10x = 202,980,485,132,947,616
  5. Step 5: Solve for x
    x = 202,980,485,132,947,616/442,120,223.10
  6. Step 6: Final answer
    x = 459,106,990.65

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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.