Home / 315,216,054.20-472,824,081.30-194,283,702.20

Finding the Fourth Proportional to 315,216,054.20, 472,824,081.30 and 194,283,702.20

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Solution

The fourth proportional to 315,216,054.20, 472,824,081.30 and 194,283,702.20 is: 291,425,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,216,054.20 : 472,824,081.30 = 194,283,702.20 : x
  2. Step 2: Convert to fraction form
    315,216,054.20/472,824,081.30 = 194,283,702.20/x
  3. Step 3: Cross multiply
    315,216,054.20x = 472,824,081.30 × 194,283,702.20
  4. Step 4: Simplify right side
    315,216,054.20x = 91,862,013,004,277,792
  5. Step 5: Solve for x
    x = 91,862,013,004,277,792/315,216,054.20
  6. Step 6: Final answer
    x = 291,425,553.30

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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.