Home / 15,287,177,842,475-21,096,304,615,815-8,255,775,313,439.40

Finding the Fourth Proportional to 15,287,177,842,475, 21,096,304,615,815 and 8,255,775,313,439.40

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Solution

The fourth proportional to 15,287,177,842,475, 21,096,304,615,815 and 8,255,775,313,439.40 is: 11,392,969,496,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,177,842,475 : 21,096,304,615,815 = 8,255,775,313,439.40 : x
  2. Step 2: Convert to fraction form
    15,287,177,842,475/21,096,304,615,815 = 8,255,775,313,439.40/x
  3. Step 3: Cross multiply
    15,287,177,842,475x = 21,096,304,615,815 × 8,255,775,313,439.40
  4. Step 4: Simplify right side
    15,287,177,842,475x = 174,166,350,852,043,134,203,854,848
  5. Step 5: Solve for x
    x = 174,166,350,852,043,134,203,854,848/15,287,177,842,475
  6. Step 6: Final answer
    x = 11,392,969,496,837.20

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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.