Home / 20,727,428,367,413-28,604,750,287,941-11,478,412,667,852

Finding the Fourth Proportional to 20,727,428,367,413, 28,604,750,287,941 and 11,478,412,667,852

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Solution

The fourth proportional to 20,727,428,367,413, 28,604,750,287,941 and 11,478,412,667,852 is: 15,840,707,406,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,367,413 : 28,604,750,287,941 = 11,478,412,667,852 : x
  2. Step 2: Convert to fraction form
    20,727,428,367,413/28,604,750,287,941 = 11,478,412,667,852/x
  3. Step 3: Cross multiply
    20,727,428,367,413x = 28,604,750,287,941 × 11,478,412,667,852
  4. Step 4: Simplify right side
    20,727,428,367,413x = 328,337,128,065,845,129,824,436,224
  5. Step 5: Solve for x
    x = 328,337,128,065,845,129,824,436,224/20,727,428,367,413
  6. Step 6: Final answer
    x = 15,840,707,406,908.53

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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.