Home / 15,677,970,062.49-21,621,065,799.47-11,442,172,599.45

Finding the Fourth Proportional to 15,677,970,062.49, 21,621,065,799.47 and 11,442,172,599.45

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Solution

The fourth proportional to 15,677,970,062.49, 21,621,065,799.47 and 11,442,172,599.45 is: 15,779,591,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677,970,062.49 : 21,621,065,799.47 = 11,442,172,599.45 : x
  2. Step 2: Convert to fraction form
    15,677,970,062.49/21,621,065,799.47 = 11,442,172,599.45/x
  3. Step 3: Cross multiply
    15,677,970,062.49x = 21,621,065,799.47 × 11,442,172,599.45
  4. Step 4: Simplify right side
    15,677,970,062.49x = 247,391,966,661,543,952,384
  5. Step 5: Solve for x
    x = 247,391,966,661,543,952,384/15,677,970,062.49
  6. Step 6: Final answer
    x = 15,779,591,724.92

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1.5x scale

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.