Home / 1,207,229,066.90-1,810,843,600.35-856,525,246.10

Finding the Fourth Proportional to 1,207,229,066.90, 1,810,843,600.35 and 856,525,246.10

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Solution

The fourth proportional to 1,207,229,066.90, 1,810,843,600.35 and 856,525,246.10 is: 1,284,787,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,229,066.90 : 1,810,843,600.35 = 856,525,246.10 : x
  2. Step 2: Convert to fraction form
    1,207,229,066.90/1,810,843,600.35 = 856,525,246.10/x
  3. Step 3: Cross multiply
    1,207,229,066.90x = 1,810,843,600.35 × 856,525,246.10
  4. Step 4: Simplify right side
    1,207,229,066.90x = 1,551,033,260,438,393,856
  5. Step 5: Solve for x
    x = 1,551,033,260,438,393,856/1,207,229,066.90
  6. Step 6: Final answer
    x = 1,284,787,869.15

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Double scale
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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.