Home / 15,307,229,532,507-21,114,023,398,574-9,817,636,171,572

Finding the Fourth Proportional to 15,307,229,532,507, 21,114,023,398,574 and 9,817,636,171,572

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Solution

The fourth proportional to 15,307,229,532,507, 21,114,023,398,574 and 9,817,636,171,572 is: 13,541,954,107,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307,229,532,507 : 21,114,023,398,574 = 9,817,636,171,572 : x
  2. Step 2: Convert to fraction form
    15,307,229,532,507/21,114,023,398,574 = 9,817,636,171,572/x
  3. Step 3: Cross multiply
    15,307,229,532,507x = 21,114,023,398,574 × 9,817,636,171,572
  4. Step 4: Simplify right side
    15,307,229,532,507x = 207,289,799,845,257,685,858,516,992
  5. Step 5: Solve for x
    x = 207,289,799,845,257,685,858,516,992/15,307,229,532,507
  6. Step 6: Final answer
    x = 13,541,954,107,701.16

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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.