Home / 1,276,516,700.70-1,914,775,051.05-458,655,683.10

Finding the Fourth Proportional to 1,276,516,700.70, 1,914,775,051.05 and 458,655,683.10

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Solution

The fourth proportional to 1,276,516,700.70, 1,914,775,051.05 and 458,655,683.10 is: 687,983,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,516,700.70 : 1,914,775,051.05 = 458,655,683.10 : x
  2. Step 2: Convert to fraction form
    1,276,516,700.70/1,914,775,051.05 = 458,655,683.10/x
  3. Step 3: Cross multiply
    1,276,516,700.70x = 1,914,775,051.05 × 458,655,683.10
  4. Step 4: Simplify right side
    1,276,516,700.70x = 878,222,459,022,175,104
  5. Step 5: Solve for x
    x = 878,222,459,022,175,104/1,276,516,700.70
  6. Step 6: Final answer
    x = 687,983,524.65

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Double scale
Find fourth proportional to 1,276,516,701.70, 1,914,775,052.55 and 458,655,684.10
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.