Home / 3,730,048,412.09-5,149,789,862.71-2,374,447,193.78

Finding the Fourth Proportional to 3,730,048,412.09, 5,149,789,862.71 and 2,374,447,193.78

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Solution

The fourth proportional to 3,730,048,412.09, 5,149,789,862.71 and 2,374,447,193.78 is: 3,278,215,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730,048,412.09 : 5,149,789,862.71 = 2,374,447,193.78 : x
  2. Step 2: Convert to fraction form
    3,730,048,412.09/5,149,789,862.71 = 2,374,447,193.78/x
  3. Step 3: Cross multiply
    3,730,048,412.09x = 5,149,789,862.71 × 2,374,447,193.78
  4. Step 4: Simplify right side
    3,730,048,412.09x = 12,227,904,088,068,452,352
  5. Step 5: Solve for x
    x = 12,227,904,088,068,452,352/3,730,048,412.09
  6. Step 6: Final answer
    x = 3,278,215,920.32

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Double scale
Find fourth proportional to 3,730,048,413.09, 5,149,789,864.09 and 2,374,447,194.78
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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.