Home / 3,409,938,139.60-5,112,667,721.40-1,338,411,739.60

Finding the Fourth Proportional to 3,409,938,139.60, 5,112,667,721.40 and 1,338,411,739.60

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Solution

The fourth proportional to 3,409,938,139.60, 5,112,667,721.40 and 1,338,411,739.60 is: 2,006,738,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,938,139.60 : 5,112,667,721.40 = 1,338,411,739.60 : x
  2. Step 2: Convert to fraction form
    3,409,938,139.60/5,112,667,721.40 = 1,338,411,739.60/x
  3. Step 3: Cross multiply
    3,409,938,139.60x = 5,112,667,721.40 × 1,338,411,739.60
  4. Step 4: Simplify right side
    3,409,938,139.60x = 6,842,854,498,995,740,672
  5. Step 5: Solve for x
    x = 6,842,854,498,995,740,672/3,409,938,139.60
  6. Step 6: Final answer
    x = 2,006,738,603.12

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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.