Home / 1,207,308,046.40-1,810,962,069.60-965,443,342.40

Finding the Fourth Proportional to 1,207,308,046.40, 1,810,962,069.60 and 965,443,342.40

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Solution

The fourth proportional to 1,207,308,046.40, 1,810,962,069.60 and 965,443,342.40 is: 1,448,165,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,308,046.40 : 1,810,962,069.60 = 965,443,342.40 : x
  2. Step 2: Convert to fraction form
    1,207,308,046.40/1,810,962,069.60 = 965,443,342.40/x
  3. Step 3: Cross multiply
    1,207,308,046.40x = 1,810,962,069.60 × 965,443,342.40
  4. Step 4: Simplify right side
    1,207,308,046.40x = 1,748,381,273,434,245,376
  5. Step 5: Solve for x
    x = 1,748,381,273,434,245,376/1,207,308,046.40
  6. Step 6: Final answer
    x = 1,448,165,013.60

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Double scale
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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.