Home / 1,109,380,031.40-1,664,070,047.10-786,893,759.40

Finding the Fourth Proportional to 1,109,380,031.40, 1,664,070,047.10 and 786,893,759.40

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Solution

The fourth proportional to 1,109,380,031.40, 1,664,070,047.10 and 786,893,759.40 is: 1,180,340,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,380,031.40 : 1,664,070,047.10 = 786,893,759.40 : x
  2. Step 2: Convert to fraction form
    1,109,380,031.40/1,664,070,047.10 = 786,893,759.40/x
  3. Step 3: Cross multiply
    1,109,380,031.40x = 1,664,070,047.10 × 786,893,759.40
  4. Step 4: Simplify right side
    1,109,380,031.40x = 1,309,446,335,267,453,952
  5. Step 5: Solve for x
    x = 1,309,446,335,267,453,952/1,109,380,031.40
  6. Step 6: Final answer
    x = 1,180,340,639.10

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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.