Home / 982,039,616.70-1,473,272,001.45-292,016,622.30

Finding the Fourth Proportional to 982,039,616.70, 1,473,272,001.45 and 292,016,622.30

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Solution

The fourth proportional to 982,039,616.70, 1,473,272,001.45 and 292,016,622.30 is: 438,088,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,039,616.70 : 1,473,272,001.45 = 292,016,622.30 : x
  2. Step 2: Convert to fraction form
    982,039,616.70/1,473,272,001.45 = 292,016,622.30/x
  3. Step 3: Cross multiply
    982,039,616.70x = 1,473,272,001.45 × 292,016,622.30
  4. Step 4: Simplify right side
    982,039,616.70x = 430,219,913,592,589,760
  5. Step 5: Solve for x
    x = 430,219,913,592,589,760/982,039,616.70
  6. Step 6: Final answer
    x = 438,088,144.59

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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.