Home / 8,647,805,248.81-11,933,651,411.81-4,687,421,886.25

Finding the Fourth Proportional to 8,647,805,248.81, 11,933,651,411.81 and 4,687,421,886.25

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Solution

The fourth proportional to 8,647,805,248.81, 11,933,651,411.81 and 4,687,421,886.25 is: 6,468,468,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,805,248.81 : 11,933,651,411.81 = 4,687,421,886.25 : x
  2. Step 2: Convert to fraction form
    8,647,805,248.81/11,933,651,411.81 = 4,687,421,886.25/x
  3. Step 3: Cross multiply
    8,647,805,248.81x = 11,933,651,411.81 × 4,687,421,886.25
  4. Step 4: Simplify right side
    8,647,805,248.81x = 55,938,058,810,561,888,256
  5. Step 5: Solve for x
    x = 55,938,058,810,561,888,256/8,647,805,248.81
  6. Step 6: Final answer
    x = 6,468,468,842.81

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Double scale
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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.