Home / 896,991,122.90-1,345,486,684.35-655,126,418.90

Finding the Fourth Proportional to 896,991,122.90, 1,345,486,684.35 and 655,126,418.90

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Solution

The fourth proportional to 896,991,122.90, 1,345,486,684.35 and 655,126,418.90 is: 982,689,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,991,122.90 : 1,345,486,684.35 = 655,126,418.90 : x
  2. Step 2: Convert to fraction form
    896,991,122.90/1,345,486,684.35 = 655,126,418.90/x
  3. Step 3: Cross multiply
    896,991,122.90x = 1,345,486,684.35 × 655,126,418.90
  4. Step 4: Simplify right side
    896,991,122.90x = 881,463,873,195,850,112
  5. Step 5: Solve for x
    x = 881,463,873,195,850,112/896,991,122.90
  6. Step 6: Final answer
    x = 982,689,628.35

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Half scale
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Double scale
Find fourth proportional to 896,991,123.90, 1,345,486,685.85 and 655,126,419.90
Similar ratio
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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.