Home / 12,868,540,237.81-17,758,132,590.41-7,074,801,460.79

Finding the Fourth Proportional to 12,868,540,237.81, 17,758,132,590.41 and 7,074,801,460.79

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Solution

The fourth proportional to 12,868,540,237.81, 17,758,132,590.41 and 7,074,801,460.79 is: 9,762,977,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,540,237.81 : 17,758,132,590.41 = 7,074,801,460.79 : x
  2. Step 2: Convert to fraction form
    12,868,540,237.81/17,758,132,590.41 = 7,074,801,460.79/x
  3. Step 3: Cross multiply
    12,868,540,237.81x = 17,758,132,590.41 × 7,074,801,460.79
  4. Step 4: Simplify right side
    12,868,540,237.81x = 125,635,262,391,512,088,576
  5. Step 5: Solve for x
    x = 125,635,262,391,512,088,576/12,868,540,237.81
  6. Step 6: Final answer
    x = 9,762,977,002.04

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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.