Home / 1,012,929,123.15-1,397,988,996.20-583,682,902.27

Finding the Fourth Proportional to 1,012,929,123.15, 1,397,988,996.20 and 583,682,902.27

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Solution

The fourth proportional to 1,012,929,123.15, 1,397,988,996.20 and 583,682,902.27 is: 805,566,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,929,123.15 : 1,397,988,996.20 = 583,682,902.27 : x
  2. Step 2: Convert to fraction form
    1,012,929,123.15/1,397,988,996.20 = 583,682,902.27/x
  3. Step 3: Cross multiply
    1,012,929,123.15x = 1,397,988,996.20 × 583,682,902.27
  4. Step 4: Simplify right side
    1,012,929,123.15x = 815,982,274,643,539,968
  5. Step 5: Solve for x
    x = 815,982,274,643,539,968/1,012,929,123.15
  6. Step 6: Final answer
    x = 805,566,999.70

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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.