Home / 4,257,935,999.60-6,386,903,999.40-3,939,431,039.60

Finding the Fourth Proportional to 4,257,935,999.60, 6,386,903,999.40 and 3,939,431,039.60

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Solution

The fourth proportional to 4,257,935,999.60, 6,386,903,999.40 and 3,939,431,039.60 is: 5,909,146,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,935,999.60 : 6,386,903,999.40 = 3,939,431,039.60 : x
  2. Step 2: Convert to fraction form
    4,257,935,999.60/6,386,903,999.40 = 3,939,431,039.60/x
  3. Step 3: Cross multiply
    4,257,935,999.60x = 6,386,903,999.40 × 3,939,431,039.60
  4. Step 4: Simplify right side
    4,257,935,999.60x = 25,160,767,862,181,736,448
  5. Step 5: Solve for x
    x = 25,160,767,862,181,736,448/4,257,935,999.60
  6. Step 6: Final answer
    x = 5,909,146,559.40

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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.