Home / 1,073,128,525.70-1,609,692,788.55-840,676,232.30

Finding the Fourth Proportional to 1,073,128,525.70, 1,609,692,788.55 and 840,676,232.30

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Solution

The fourth proportional to 1,073,128,525.70, 1,609,692,788.55 and 840,676,232.30 is: 1,261,014,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,128,525.70 : 1,609,692,788.55 = 840,676,232.30 : x
  2. Step 2: Convert to fraction form
    1,073,128,525.70/1,609,692,788.55 = 840,676,232.30/x
  3. Step 3: Cross multiply
    1,073,128,525.70x = 1,609,692,788.55 × 840,676,232.30
  4. Step 4: Simplify right side
    1,073,128,525.70x = 1,353,230,468,638,694,400
  5. Step 5: Solve for x
    x = 1,353,230,468,638,694,400/1,073,128,525.70
  6. Step 6: Final answer
    x = 1,261,014,348.45

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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.