Home / 20,727,428,371,047-28,604,750,292,955-11,478,412,671,482

Finding the Fourth Proportional to 20,727,428,371,047, 28,604,750,292,955 and 11,478,412,671,482

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Solution

The fourth proportional to 20,727,428,371,047, 28,604,750,292,955 and 11,478,412,671,482 is: 15,840,707,411,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,371,047 : 28,604,750,292,955 = 11,478,412,671,482 : x
  2. Step 2: Convert to fraction form
    20,727,428,371,047/28,604,750,292,955 = 11,478,412,671,482/x
  3. Step 3: Cross multiply
    20,727,428,371,047x = 28,604,750,292,955 × 11,478,412,671,482
  4. Step 4: Simplify right side
    20,727,428,371,047x = 328,337,128,227,233,095,816,839,168
  5. Step 5: Solve for x
    x = 328,337,128,227,233,095,816,839,168/20,727,428,371,047
  6. Step 6: Final answer
    x = 15,840,707,411,917.49

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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.