Home / 1,131,592,866,909.30-1,561,590,212,304.40-617,758,661,357.20

Finding the Fourth Proportional to 1,131,592,866,909.30, 1,561,590,212,304.40 and 617,758,661,357.20

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Solution

The fourth proportional to 1,131,592,866,909.30, 1,561,590,212,304.40 and 617,758,661,357.20 is: 852,502,615,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,592,866,909.30 : 1,561,590,212,304.40 = 617,758,661,357.20 : x
  2. Step 2: Convert to fraction form
    1,131,592,866,909.30/1,561,590,212,304.40 = 617,758,661,357.20/x
  3. Step 3: Cross multiply
    1,131,592,866,909.30x = 1,561,590,212,304.40 × 617,758,661,357.20
  4. Step 4: Simplify right side
    1,131,592,866,909.30x = 964,685,879,141,671,800,668,160
  5. Step 5: Solve for x
    x = 964,685,879,141,671,800,668,160/1,131,592,866,909.30
  6. Step 6: Final answer
    x = 852,502,615,871.47

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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.