Home / 12,761,428,336.14-19,144,988,403.30-3,919,159,549.20

Finding the Fourth Proportional to 12,761,428,336.14, 19,144,988,403.30 and 3,919,159,549.20

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Solution

The fourth proportional to 12,761,428,336.14, 19,144,988,403.30 and 3,919,159,549.20 is: 5,879,613,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,428,336.14 : 19,144,988,403.30 = 3,919,159,549.20 : x
  2. Step 2: Convert to fraction form
    12,761,428,336.14/19,144,988,403.30 = 3,919,159,549.20/x
  3. Step 3: Cross multiply
    12,761,428,336.14x = 19,144,988,403.30 × 3,919,159,549.20
  4. Step 4: Simplify right side
    12,761,428,336.14x = 75,032,264,120,116,445,184
  5. Step 5: Solve for x
    x = 75,032,264,120,116,445,184/12,761,428,336.14
  6. Step 6: Final answer
    x = 5,879,613,327.27

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1.5x scale

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.