Home / 3,897,254,221.20-5,845,881,331.80-2,657,508,656.40

Finding the Fourth Proportional to 3,897,254,221.20, 5,845,881,331.80 and 2,657,508,656.40

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Solution

The fourth proportional to 3,897,254,221.20, 5,845,881,331.80 and 2,657,508,656.40 is: 3,986,262,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,254,221.20 : 5,845,881,331.80 = 2,657,508,656.40 : x
  2. Step 2: Convert to fraction form
    3,897,254,221.20/5,845,881,331.80 = 2,657,508,656.40/x
  3. Step 3: Cross multiply
    3,897,254,221.20x = 5,845,881,331.80 × 2,657,508,656.40
  4. Step 4: Simplify right side
    3,897,254,221.20x = 15,535,480,243,545,661,440
  5. Step 5: Solve for x
    x = 15,535,480,243,545,661,440/3,897,254,221.20
  6. Step 6: Final answer
    x = 3,986,262,984.60

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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.