Home / 532,241,572.20-798,362,358.30-492,428,452.20

Finding the Fourth Proportional to 532,241,572.20, 798,362,358.30 and 492,428,452.20

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Solution

The fourth proportional to 532,241,572.20, 798,362,358.30 and 492,428,452.20 is: 738,642,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,241,572.20 : 798,362,358.30 = 492,428,452.20 : x
  2. Step 2: Convert to fraction form
    532,241,572.20/798,362,358.30 = 492,428,452.20/x
  3. Step 3: Cross multiply
    532,241,572.20x = 798,362,358.30 × 492,428,452.20
  4. Step 4: Simplify right side
    532,241,572.20x = 393,136,340,392,410,816
  5. Step 5: Solve for x
    x = 393,136,340,392,410,816/532,241,572.20
  6. Step 6: Final answer
    x = 738,642,678.30

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Double scale
Find fourth proportional to 532,241,573.20, 798,362,359.80 and 492,428,453.20
Similar ratio
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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.