Home / 1,213,776,461.92-1,675,016,792.04-656,859,555.76

Finding the Fourth Proportional to 1,213,776,461.92, 1,675,016,792.04 and 656,859,555.76

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Solution

The fourth proportional to 1,213,776,461.92, 1,675,016,792.04 and 656,859,555.76 is: 906,469,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,776,461.92 : 1,675,016,792.04 = 656,859,555.76 : x
  2. Step 2: Convert to fraction form
    1,213,776,461.92/1,675,016,792.04 = 656,859,555.76/x
  3. Step 3: Cross multiply
    1,213,776,461.92x = 1,675,016,792.04 × 656,859,555.76
  4. Step 4: Simplify right side
    1,213,776,461.92x = 1,100,250,785,909,934,720
  5. Step 5: Solve for x
    x = 1,100,250,785,909,934,720/1,213,776,461.92
  6. Step 6: Final answer
    x = 906,469,041.40

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Double scale
Find fourth proportional to 1,213,776,462.92, 1,675,016,793.42 and 656,859,556.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.