Home / 740,340,017.28-1,021,073,503.62-650,840,604.36

Finding the Fourth Proportional to 740,340,017.28, 1,021,073,503.62 and 650,840,604.36

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Solution

The fourth proportional to 740,340,017.28, 1,021,073,503.62 and 650,840,604.36 is: 897,636,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,340,017.28 : 1,021,073,503.62 = 650,840,604.36 : x
  2. Step 2: Convert to fraction form
    740,340,017.28/1,021,073,503.62 = 650,840,604.36/x
  3. Step 3: Cross multiply
    740,340,017.28x = 1,021,073,503.62 × 650,840,604.36
  4. Step 4: Simplify right side
    740,340,017.28x = 664,556,096,192,023,424
  5. Step 5: Solve for x
    x = 664,556,096,192,023,424/740,340,017.28
  6. Step 6: Final answer
    x = 897,636,330.17

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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.