Home / 425,823,247.30-638,804,945.67-130,710,957.70

Finding the Fourth Proportional to 425,823,247.30, 638,804,945.67 and 130,710,957.70

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Solution

The fourth proportional to 425,823,247.30, 638,804,945.67 and 130,710,957.70 is: 196,087,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,823,247.30 : 638,804,945.67 = 130,710,957.70 : x
  2. Step 2: Convert to fraction form
    425,823,247.30/638,804,945.67 = 130,710,957.70/x
  3. Step 3: Cross multiply
    425,823,247.30x = 638,804,945.67 × 130,710,957.70
  4. Step 4: Simplify right side
    425,823,247.30x = 83,498,806,232,022,160
  5. Step 5: Solve for x
    x = 83,498,806,232,022,160/425,823,247.30
  6. Step 6: Final answer
    x = 196,087,946.73

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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.