Home / 854,639,258.10-1,281,958,887.15-845,569,331.70

Finding the Fourth Proportional to 854,639,258.10, 1,281,958,887.15 and 845,569,331.70

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Solution

The fourth proportional to 854,639,258.10, 1,281,958,887.15 and 845,569,331.70 is: 1,268,353,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,639,258.10 : 1,281,958,887.15 = 845,569,331.70 : x
  2. Step 2: Convert to fraction form
    854,639,258.10/1,281,958,887.15 = 845,569,331.70/x
  3. Step 3: Cross multiply
    854,639,258.10x = 1,281,958,887.15 × 845,569,331.70
  4. Step 4: Simplify right side
    854,639,258.10x = 1,083,985,119,474,301,312
  5. Step 5: Solve for x
    x = 1,083,985,119,474,301,312/854,639,258.10
  6. Step 6: Final answer
    x = 1,268,353,997.55

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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.