Home / 1,069,691,856.30-1,604,537,784.45-293,415,987.60

Finding the Fourth Proportional to 1,069,691,856.30, 1,604,537,784.45 and 293,415,987.60

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Solution

The fourth proportional to 1,069,691,856.30, 1,604,537,784.45 and 293,415,987.60 is: 440,123,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,691,856.30 : 1,604,537,784.45 = 293,415,987.60 : x
  2. Step 2: Convert to fraction form
    1,069,691,856.30/1,604,537,784.45 = 293,415,987.60/x
  3. Step 3: Cross multiply
    1,069,691,856.30x = 1,604,537,784.45 × 293,415,987.60
  4. Step 4: Simplify right side
    1,069,691,856.30x = 470,797,038,665,912,704
  5. Step 5: Solve for x
    x = 470,797,038,665,912,704/1,069,691,856.30
  6. Step 6: Final answer
    x = 440,123,981.40

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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.