Home / 896,991,123.90-1,345,486,685.85-655,126,419.90

Finding the Fourth Proportional to 896,991,123.90, 1,345,486,685.85 and 655,126,419.90

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Solution

The fourth proportional to 896,991,123.90, 1,345,486,685.85 and 655,126,419.90 is: 982,689,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,991,123.90 : 1,345,486,685.85 = 655,126,419.90 : x
  2. Step 2: Convert to fraction form
    896,991,123.90/1,345,486,685.85 = 655,126,419.90/x
  3. Step 3: Cross multiply
    896,991,123.90x = 1,345,486,685.85 × 655,126,419.90
  4. Step 4: Simplify right side
    896,991,123.90x = 881,463,875,524,026,368
  5. Step 5: Solve for x
    x = 881,463,875,524,026,368/896,991,123.90
  6. Step 6: Final answer
    x = 982,689,629.85

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Half scale
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Double scale
Find fourth proportional to 896,991,124.90, 1,345,486,687.35 and 655,126,420.90
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.