Home / 854,639,280.60-1,281,958,920.90-845,569,354.20

Finding the Fourth Proportional to 854,639,280.60, 1,281,958,920.90 and 845,569,354.20

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Solution

The fourth proportional to 854,639,280.60, 1,281,958,920.90 and 845,569,354.20 is: 1,268,354,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,639,280.60 : 1,281,958,920.90 = 845,569,354.20 : x
  2. Step 2: Convert to fraction form
    854,639,280.60/1,281,958,920.90 = 845,569,354.20/x
  3. Step 3: Cross multiply
    854,639,280.60x = 1,281,958,920.90 × 845,569,354.20
  4. Step 4: Simplify right side
    854,639,280.60x = 1,083,985,176,856,342,016
  5. Step 5: Solve for x
    x = 1,083,985,176,856,342,016/854,639,280.60
  6. Step 6: Final answer
    x = 1,268,354,031.30

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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.