Home / 546,535,138.80-819,802,708.20-493,816,191.60

Finding the Fourth Proportional to 546,535,138.80, 819,802,708.20 and 493,816,191.60

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Solution

The fourth proportional to 546,535,138.80, 819,802,708.20 and 493,816,191.60 is: 740,724,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,535,138.80 : 819,802,708.20 = 493,816,191.60 : x
  2. Step 2: Convert to fraction form
    546,535,138.80/819,802,708.20 = 493,816,191.60/x
  3. Step 3: Cross multiply
    546,535,138.80x = 819,802,708.20 × 493,816,191.60
  4. Step 4: Simplify right side
    546,535,138.80x = 404,831,851,226,690,112
  5. Step 5: Solve for x
    x = 404,831,851,226,690,112/546,535,138.80
  6. Step 6: Final answer
    x = 740,724,287.40

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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.