Home / 804,042,001.80-1,206,063,002.70-722,412,664.20

Finding the Fourth Proportional to 804,042,001.80, 1,206,063,002.70 and 722,412,664.20

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Solution

The fourth proportional to 804,042,001.80, 1,206,063,002.70 and 722,412,664.20 is: 1,083,618,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,042,001.80 : 1,206,063,002.70 = 722,412,664.20 : x
  2. Step 2: Convert to fraction form
    804,042,001.80/1,206,063,002.70 = 722,412,664.20/x
  3. Step 3: Cross multiply
    804,042,001.80x = 1,206,063,002.70 × 722,412,664.20
  4. Step 4: Simplify right side
    804,042,001.80x = 871,275,186,973,558,912
  5. Step 5: Solve for x
    x = 871,275,186,973,558,912/804,042,001.80
  6. Step 6: Final answer
    x = 1,083,618,996.30

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1.5x scale

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.