Home / 2,538,909,374.56-3,806,625,455.16-1,292,927,972.92

Finding the Fourth Proportional to 2,538,909,374.56, 3,806,625,455.16 and 1,292,927,972.92

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Solution

The fourth proportional to 2,538,909,374.56, 3,806,625,455.16 and 1,292,927,972.92 is: 1,938,506,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,909,374.56 : 3,806,625,455.16 = 1,292,927,972.92 : x
  2. Step 2: Convert to fraction form
    2,538,909,374.56/3,806,625,455.16 = 1,292,927,972.92/x
  3. Step 3: Cross multiply
    2,538,909,374.56x = 3,806,625,455.16 × 1,292,927,972.92
  4. Step 4: Simplify right side
    2,538,909,374.56x = 4,921,692,533,405,690,880
  5. Step 5: Solve for x
    x = 4,921,692,533,405,690,880/2,538,909,374.56
  6. Step 6: Final answer
    x = 1,938,506,581.89

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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.