Home / 74,207,354,215.15-111,311,031,322.72-38,821,036,365.55

Finding the Fourth Proportional to 74,207,354,215.15, 111,311,031,322.72 and 38,821,036,365.55

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Solution

The fourth proportional to 74,207,354,215.15, 111,311,031,322.72 and 38,821,036,365.55 is: 58,231,554,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,354,215.15 : 111,311,031,322.72 = 38,821,036,365.55 : x
  2. Step 2: Convert to fraction form
    74,207,354,215.15/111,311,031,322.72 = 38,821,036,365.55/x
  3. Step 3: Cross multiply
    74,207,354,215.15x = 111,311,031,322.72 × 38,821,036,365.55
  4. Step 4: Simplify right side
    74,207,354,215.15x = 4,321,209,594,866,188,681,216
  5. Step 5: Solve for x
    x = 4,321,209,594,866,188,681,216/74,207,354,215.15
  6. Step 6: Final answer
    x = 58,231,554,548.32

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Double scale
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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.