Home / 579,456,643.20-869,184,964.80-148,635,139.20

Finding the Fourth Proportional to 579,456,643.20, 869,184,964.80 and 148,635,139.20

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Solution

The fourth proportional to 579,456,643.20, 869,184,964.80 and 148,635,139.20 is: 222,952,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,456,643.20 : 869,184,964.80 = 148,635,139.20 : x
  2. Step 2: Convert to fraction form
    579,456,643.20/869,184,964.80 = 148,635,139.20/x
  3. Step 3: Cross multiply
    579,456,643.20x = 869,184,964.80 × 148,635,139.20
  4. Step 4: Simplify right side
    579,456,643.20x = 129,191,428,233,595,088
  5. Step 5: Solve for x
    x = 129,191,428,233,595,088/579,456,643.20
  6. Step 6: Final answer
    x = 222,952,708.80

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Double scale
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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.