Home / 20,727,428,371,041-28,604,750,292,947-11,478,412,671,476

Finding the Fourth Proportional to 20,727,428,371,041, 28,604,750,292,947 and 11,478,412,671,476

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Solution

The fourth proportional to 20,727,428,371,041, 28,604,750,292,947 and 11,478,412,671,476 is: 15,840,707,411,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,428,371,041 : 28,604,750,292,947 = 11,478,412,671,476 : x
  2. Step 2: Convert to fraction form
    20,727,428,371,041/28,604,750,292,947 = 11,478,412,671,476/x
  3. Step 3: Cross multiply
    20,727,428,371,041x = 28,604,750,292,947 × 11,478,412,671,476
  4. Step 4: Simplify right side
    20,727,428,371,041x = 328,337,128,226,969,694,062,510,080
  5. Step 5: Solve for x
    x = 328,337,128,226,969,694,062,510,080/20,727,428,371,041
  6. Step 6: Final answer
    x = 15,840,707,411,909.37

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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.