Home / 3,188,748,606.40-4,783,122,909.60-859,921,000.30

Finding the Fourth Proportional to 3,188,748,606.40, 4,783,122,909.60 and 859,921,000.30

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Solution

The fourth proportional to 3,188,748,606.40, 4,783,122,909.60 and 859,921,000.30 is: 1,289,881,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,748,606.40 : 4,783,122,909.60 = 859,921,000.30 : x
  2. Step 2: Convert to fraction form
    3,188,748,606.40/4,783,122,909.60 = 859,921,000.30/x
  3. Step 3: Cross multiply
    3,188,748,606.40x = 4,783,122,909.60 × 859,921,000.30
  4. Step 4: Simplify right side
    3,188,748,606.40x = 4,113,107,836,981,078,528
  5. Step 5: Solve for x
    x = 4,113,107,836,981,078,528/3,188,748,606.40
  6. Step 6: Final answer
    x = 1,289,881,500.45

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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.