Home / 802,260,990.78-1,106,712,713.34-523,965,415.74

Finding the Fourth Proportional to 802,260,990.78, 1,106,712,713.34 and 523,965,415.74

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Solution

The fourth proportional to 802,260,990.78, 1,106,712,713.34 and 523,965,415.74 is: 722,806,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,260,990.78 : 1,106,712,713.34 = 523,965,415.74 : x
  2. Step 2: Convert to fraction form
    802,260,990.78/1,106,712,713.34 = 523,965,415.74/x
  3. Step 3: Cross multiply
    802,260,990.78x = 1,106,712,713.34 × 523,965,415.74
  4. Step 4: Simplify right side
    802,260,990.78x = 579,879,186,949,936,512
  5. Step 5: Solve for x
    x = 579,879,186,949,936,512/802,260,990.78
  6. Step 6: Final answer
    x = 722,806,161.10

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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.