Home / 854,636,563.60-1,281,954,845.40-845,566,637.20

Finding the Fourth Proportional to 854,636,563.60, 1,281,954,845.40 and 845,566,637.20

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Solution

The fourth proportional to 854,636,563.60, 1,281,954,845.40 and 845,566,637.20 is: 1,268,349,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,636,563.60 : 1,281,954,845.40 = 845,566,637.20 : x
  2. Step 2: Convert to fraction form
    854,636,563.60/1,281,954,845.40 = 845,566,637.20/x
  3. Step 3: Cross multiply
    854,636,563.60x = 1,281,954,845.40 × 845,566,637.20
  4. Step 4: Simplify right side
    854,636,563.60x = 1,083,978,247,667,123,968
  5. Step 5: Solve for x
    x = 1,083,978,247,667,123,968/854,636,563.60
  6. Step 6: Final answer
    x = 1,268,349,955.80

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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.