Home / 2,485,395,905.90-3,429,919,065.56-1,356,438,079.49

Finding the Fourth Proportional to 2,485,395,905.90, 3,429,919,065.56 and 1,356,438,079.49

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Solution

The fourth proportional to 2,485,395,905.90, 3,429,919,065.56 and 1,356,438,079.49 is: 1,871,924,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,395,905.90 : 3,429,919,065.56 = 1,356,438,079.49 : x
  2. Step 2: Convert to fraction form
    2,485,395,905.90/3,429,919,065.56 = 1,356,438,079.49/x
  3. Step 3: Cross multiply
    2,485,395,905.90x = 3,429,919,065.56 × 1,356,438,079.49
  4. Step 4: Simplify right side
    2,485,395,905.90x = 4,652,472,830,070,409,216
  5. Step 5: Solve for x
    x = 4,652,472,830,070,409,216/2,485,395,905.90
  6. Step 6: Final answer
    x = 1,871,924,235.10

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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.