Home / 20,727,428,369,810-28,604,750,291,248-11,478,412,670,239

Finding the Fourth Proportional to 20,727,428,369,810, 28,604,750,291,248 and 11,478,412,670,239

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Solution

The fourth proportional to 20,727,428,369,810, 28,604,750,291,248 and 11,478,412,670,239 is: 15,840,707,410,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,369,810 : 28,604,750,291,248 = 11,478,412,670,239 : x
  2. Step 2: Convert to fraction form
    20,727,428,369,810/28,604,750,291,248 = 11,478,412,670,239/x
  3. Step 3: Cross multiply
    20,727,428,369,810x = 28,604,750,291,248 × 11,478,412,670,239
  4. Step 4: Simplify right side
    20,727,428,369,810x = 328,337,128,172,083,791,590,850,560
  5. Step 5: Solve for x
    x = 328,337,128,172,083,791,590,850,560/20,727,428,369,810
  6. Step 6: Final answer
    x = 15,840,707,410,202.16

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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.