Home / 1,207,308,576.40-1,810,962,864.60-965,443,872.40

Finding the Fourth Proportional to 1,207,308,576.40, 1,810,962,864.60 and 965,443,872.40

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Solution

The fourth proportional to 1,207,308,576.40, 1,810,962,864.60 and 965,443,872.40 is: 1,448,165,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,308,576.40 : 1,810,962,864.60 = 965,443,872.40 : x
  2. Step 2: Convert to fraction form
    1,207,308,576.40/1,810,962,864.60 = 965,443,872.40/x
  3. Step 3: Cross multiply
    1,207,308,576.40x = 1,810,962,864.60 × 965,443,872.40
  4. Step 4: Simplify right side
    1,207,308,576.40x = 1,748,383,000,772,020,736
  5. Step 5: Solve for x
    x = 1,748,383,000,772,020,736/1,207,308,576.40
  6. Step 6: Final answer
    x = 1,448,165,808.60

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Double scale
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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.