Home / 1,026,438,377.60-1,539,657,566.40-699,921,027.20

Finding the Fourth Proportional to 1,026,438,377.60, 1,539,657,566.40 and 699,921,027.20

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Solution

The fourth proportional to 1,026,438,377.60, 1,539,657,566.40 and 699,921,027.20 is: 1,049,881,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,438,377.60 : 1,539,657,566.40 = 699,921,027.20 : x
  2. Step 2: Convert to fraction form
    1,026,438,377.60/1,539,657,566.40 = 699,921,027.20/x
  3. Step 3: Cross multiply
    1,026,438,377.60x = 1,539,657,566.40 × 699,921,027.20
  4. Step 4: Simplify right side
    1,026,438,377.60x = 1,077,638,705,410,940,288
  5. Step 5: Solve for x
    x = 1,077,638,705,410,940,288/1,026,438,377.60
  6. Step 6: Final answer
    x = 1,049,881,540.80

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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.