Home / 854,639,009.60-1,281,958,514.40-845,569,083.20

Finding the Fourth Proportional to 854,639,009.60, 1,281,958,514.40 and 845,569,083.20

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Solution

The fourth proportional to 854,639,009.60, 1,281,958,514.40 and 845,569,083.20 is: 1,268,353,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,639,009.60 : 1,281,958,514.40 = 845,569,083.20 : x
  2. Step 2: Convert to fraction form
    854,639,009.60/1,281,958,514.40 = 845,569,083.20/x
  3. Step 3: Cross multiply
    854,639,009.60x = 1,281,958,514.40 × 845,569,083.20
  4. Step 4: Simplify right side
    854,639,009.60x = 1,083,984,485,721,642,112
  5. Step 5: Solve for x
    x = 1,083,984,485,721,642,112/854,639,009.60
  6. Step 6: Final answer
    x = 1,268,353,624.80

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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.