Home / 1,320,147,007.35-1,980,220,511.03-1,107,065,738.40

Finding the Fourth Proportional to 1,320,147,007.35, 1,980,220,511.03 and 1,107,065,738.40

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Solution

The fourth proportional to 1,320,147,007.35, 1,980,220,511.03 and 1,107,065,738.40 is: 1,660,598,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,147,007.35 : 1,980,220,511.03 = 1,107,065,738.40 : x
  2. Step 2: Convert to fraction form
    1,320,147,007.35/1,980,220,511.03 = 1,107,065,738.40/x
  3. Step 3: Cross multiply
    1,320,147,007.35x = 1,980,220,511.03 × 1,107,065,738.40
  4. Step 4: Simplify right side
    1,320,147,007.35x = 2,192,234,282,232,717,312
  5. Step 5: Solve for x
    x = 2,192,234,282,232,717,312/1,320,147,007.35
  6. Step 6: Final answer
    x = 1,660,598,607.60

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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.