Home / 15,307,229,532,513-21,114,023,398,582-9,817,636,171,578

Finding the Fourth Proportional to 15,307,229,532,513, 21,114,023,398,582 and 9,817,636,171,578

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Solution

The fourth proportional to 15,307,229,532,513, 21,114,023,398,582 and 9,817,636,171,578 is: 13,541,954,107,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307,229,532,513 : 21,114,023,398,582 = 9,817,636,171,578 : x
  2. Step 2: Convert to fraction form
    15,307,229,532,513/21,114,023,398,582 = 9,817,636,171,578/x
  3. Step 3: Cross multiply
    15,307,229,532,513x = 21,114,023,398,582 × 9,817,636,171,578
  4. Step 4: Simplify right side
    15,307,229,532,513x = 207,289,799,845,462,882,216,050,688
  5. Step 5: Solve for x
    x = 207,289,799,845,462,882,216,050,688/15,307,229,532,513
  6. Step 6: Final answer
    x = 13,541,954,107,709.26

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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.