Home / 785,391,220.80-1,083,843,158.40-432,959,469.12

Finding the Fourth Proportional to 785,391,220.80, 1,083,843,158.40 and 432,959,469.12

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Solution

The fourth proportional to 785,391,220.80, 1,083,843,158.40 and 432,959,469.12 is: 597,485,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,391,220.80 : 1,083,843,158.40 = 432,959,469.12 : x
  2. Step 2: Convert to fraction form
    785,391,220.80/1,083,843,158.40 = 432,959,469.12/x
  3. Step 3: Cross multiply
    785,391,220.80x = 1,083,843,158.40 × 432,959,469.12
  4. Step 4: Simplify right side
    785,391,220.80x = 469,260,158,470,208,128
  5. Step 5: Solve for x
    x = 469,260,158,470,208,128/785,391,220.80
  6. Step 6: Final answer
    x = 597,485,872.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.