Home / 1,071,351,386.20-1,478,626,274.22-653,906,252.20

Finding the Fourth Proportional to 1,071,351,386.20, 1,478,626,274.22 and 653,906,252.20

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Solution

The fourth proportional to 1,071,351,386.20, 1,478,626,274.22 and 653,906,252.20 is: 902,489,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,351,386.20 : 1,478,626,274.22 = 653,906,252.20 : x
  2. Step 2: Convert to fraction form
    1,071,351,386.20/1,478,626,274.22 = 653,906,252.20/x
  3. Step 3: Cross multiply
    1,071,351,386.20x = 1,478,626,274.22 × 653,906,252.20
  4. Step 4: Simplify right side
    1,071,351,386.20x = 966,882,965,379,649,792
  5. Step 5: Solve for x
    x = 966,882,965,379,649,792/1,071,351,386.20
  6. Step 6: Final answer
    x = 902,489,115.93

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Double scale
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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.