Home / 619,392,196.20-929,088,294.30-357,524,643.45

Finding the Fourth Proportional to 619,392,196.20, 929,088,294.30 and 357,524,643.45

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Solution

The fourth proportional to 619,392,196.20, 929,088,294.30 and 357,524,643.45 is: 536,286,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,392,196.20 : 929,088,294.30 = 357,524,643.45 : x
  2. Step 2: Convert to fraction form
    619,392,196.20/929,088,294.30 = 357,524,643.45/x
  3. Step 3: Cross multiply
    619,392,196.20x = 929,088,294.30 × 357,524,643.45
  4. Step 4: Simplify right side
    619,392,196.20x = 332,171,961,153,176,128
  5. Step 5: Solve for x
    x = 332,171,961,153,176,128/619,392,196.20
  6. Step 6: Final answer
    x = 536,286,965.18

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Double scale
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Similar ratio
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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.