Home / 28,723,713,398,788-39,638,762,716,042-15,554,727,428,417

Finding the Fourth Proportional to 28,723,713,398,788, 39,638,762,716,042 and 15,554,727,428,417

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Solution

The fourth proportional to 28,723,713,398,788, 39,638,762,716,042 and 15,554,727,428,417 is: 21,465,544,551,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,713,398,788 : 39,638,762,716,042 = 15,554,727,428,417 : x
  2. Step 2: Convert to fraction form
    28,723,713,398,788/39,638,762,716,042 = 15,554,727,428,417/x
  3. Step 3: Cross multiply
    28,723,713,398,788x = 39,638,762,716,042 × 15,554,727,428,417
  4. Step 4: Simplify right side
    28,723,713,398,788x = 616,570,149,647,731,656,417,607,680
  5. Step 5: Solve for x
    x = 616,570,149,647,731,656,417,607,680/28,723,713,398,788
  6. Step 6: Final answer
    x = 21,465,544,551,553.28

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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.