Home / 855,129,615.80-1,282,694,423.70-732,685,609.40

Finding the Fourth Proportional to 855,129,615.80, 1,282,694,423.70 and 732,685,609.40

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Solution

The fourth proportional to 855,129,615.80, 1,282,694,423.70 and 732,685,609.40 is: 1,099,028,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,129,615.80 : 1,282,694,423.70 = 732,685,609.40 : x
  2. Step 2: Convert to fraction form
    855,129,615.80/1,282,694,423.70 = 732,685,609.40/x
  3. Step 3: Cross multiply
    855,129,615.80x = 1,282,694,423.70 × 732,685,609.40
  4. Step 4: Simplify right side
    855,129,615.80x = 939,811,745,502,616,320
  5. Step 5: Solve for x
    x = 939,811,745,502,616,320/855,129,615.80
  6. Step 6: Final answer
    x = 1,099,028,414.10

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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.