Home / 314,928,721.70-472,393,082.55-283,183,979.30

Finding the Fourth Proportional to 314,928,721.70, 472,393,082.55 and 283,183,979.30

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Solution

The fourth proportional to 314,928,721.70, 472,393,082.55 and 283,183,979.30 is: 424,775,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,721.70 : 472,393,082.55 = 283,183,979.30 : x
  2. Step 2: Convert to fraction form
    314,928,721.70/472,393,082.55 = 283,183,979.30/x
  3. Step 3: Cross multiply
    314,928,721.70x = 472,393,082.55 × 283,183,979.30
  4. Step 4: Simplify right side
    314,928,721.70x = 133,774,152,910,302,400
  5. Step 5: Solve for x
    x = 133,774,152,910,302,400/314,928,721.70
  6. Step 6: Final answer
    x = 424,775,968.95

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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.