Home / 802,260,992.78-1,106,712,716.10-523,965,417.74

Finding the Fourth Proportional to 802,260,992.78, 1,106,712,716.10 and 523,965,417.74

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Solution

The fourth proportional to 802,260,992.78, 1,106,712,716.10 and 523,965,417.74 is: 722,806,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,260,992.78 : 1,106,712,716.10 = 523,965,417.74 : x
  2. Step 2: Convert to fraction form
    802,260,992.78/1,106,712,716.10 = 523,965,417.74/x
  3. Step 3: Cross multiply
    802,260,992.78x = 1,106,712,716.10 × 523,965,417.74
  4. Step 4: Simplify right side
    802,260,992.78x = 579,879,190,609,506,432
  5. Step 5: Solve for x
    x = 579,879,190,609,506,432/802,260,992.78
  6. Step 6: Final answer
    x = 722,806,163.86

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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.