Home / 20,727,428,370,998-28,604,750,292,885-11,478,412,671,432

Finding the Fourth Proportional to 20,727,428,370,998, 28,604,750,292,885 and 11,478,412,671,432

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Solution

The fourth proportional to 20,727,428,370,998, 28,604,750,292,885 and 11,478,412,671,432 is: 15,840,707,411,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,370,998 : 28,604,750,292,885 = 11,478,412,671,432 : x
  2. Step 2: Convert to fraction form
    20,727,428,370,998/28,604,750,292,885 = 11,478,412,671,432/x
  3. Step 3: Cross multiply
    20,727,428,370,998x = 28,604,750,292,885 × 11,478,412,671,432
  4. Step 4: Simplify right side
    20,727,428,370,998x = 328,337,128,224,999,369,225,535,488
  5. Step 5: Solve for x
    x = 328,337,128,224,999,369,225,535,488/20,727,428,370,998
  6. Step 6: Final answer
    x = 15,840,707,411,847.17

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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.