Home / 785,164,078,291.75-1,178,103,969,712.10-402,976,541,969.09

Finding the Fourth Proportional to 785,164,078,291.75, 1,178,103,969,712.10 and 402,976,541,969.09

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Solution

The fourth proportional to 785,164,078,291.75, 1,178,103,969,712.10 and 402,976,541,969.09 is: 604,648,476,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,164,078,291.75 : 1,178,103,969,712.10 = 402,976,541,969.09 : x
  2. Step 2: Convert to fraction form
    785,164,078,291.75/1,178,103,969,712.10 = 402,976,541,969.09/x
  3. Step 3: Cross multiply
    785,164,078,291.75x = 1,178,103,969,712.10 × 402,976,541,969.09
  4. Step 4: Simplify right side
    785,164,078,291.75x = 474,748,263,794,639,676,375,040
  5. Step 5: Solve for x
    x = 474,748,263,794,639,676,375,040/785,164,078,291.75
  6. Step 6: Final answer
    x = 604,648,476,567.51

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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.