Home / 20,727,428,367,370-28,604,750,287,880-11,478,412,667,807

Finding the Fourth Proportional to 20,727,428,367,370, 28,604,750,287,880 and 11,478,412,667,807

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Solution

The fourth proportional to 20,727,428,367,370, 28,604,750,287,880 and 11,478,412,667,807 is: 15,840,707,406,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,367,370 : 28,604,750,287,880 = 11,478,412,667,807 : x
  2. Step 2: Convert to fraction form
    20,727,428,367,370/28,604,750,287,880 = 11,478,412,667,807/x
  3. Step 3: Cross multiply
    20,727,428,367,370x = 28,604,750,287,880 × 11,478,412,667,807
  4. Step 4: Simplify right side
    20,727,428,367,370x = 328,337,128,063,857,693,837,754,368
  5. Step 5: Solve for x
    x = 328,337,128,063,857,693,837,754,368/20,727,428,367,370
  6. Step 6: Final answer
    x = 15,840,707,406,845.51

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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.