Home / 260,761,035,206.10-391,141,552,809.15-213,650,703,743.70

Finding the Fourth Proportional to 260,761,035,206.10, 391,141,552,809.15 and 213,650,703,743.70

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Solution

The fourth proportional to 260,761,035,206.10, 391,141,552,809.15 and 213,650,703,743.70 is: 320,476,055,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,761,035,206.10 : 391,141,552,809.15 = 213,650,703,743.70 : x
  2. Step 2: Convert to fraction form
    260,761,035,206.10/391,141,552,809.15 = 213,650,703,743.70/x
  3. Step 3: Cross multiply
    260,761,035,206.10x = 391,141,552,809.15 × 213,650,703,743.70
  4. Step 4: Simplify right side
    260,761,035,206.10x = 83,567,668,021,078,502,932,480
  5. Step 5: Solve for x
    x = 83,567,668,021,078,502,932,480/260,761,035,206.10
  6. Step 6: Final answer
    x = 320,476,055,615.55

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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.