Home / 402,217,963.20-603,326,944.80-159,880,867.20

Finding the Fourth Proportional to 402,217,963.20, 603,326,944.80 and 159,880,867.20

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Solution

The fourth proportional to 402,217,963.20, 603,326,944.80 and 159,880,867.20 is: 239,821,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,217,963.20 : 603,326,944.80 = 159,880,867.20 : x
  2. Step 2: Convert to fraction form
    402,217,963.20/603,326,944.80 = 159,880,867.20/x
  3. Step 3: Cross multiply
    402,217,963.20x = 603,326,944.80 × 159,880,867.20
  4. Step 4: Simplify right side
    402,217,963.20x = 96,460,435,139,750,512
  5. Step 5: Solve for x
    x = 96,460,435,139,750,512/402,217,963.20
  6. Step 6: Final answer
    x = 239,821,300.80

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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.