Home / 1,143,721,116,777.20-1,578,506,733,991.80-868,914,560,700.20

Finding the Fourth Proportional to 1,143,721,116,777.20, 1,578,506,733,991.80 and 868,914,560,700.20

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Solution

The fourth proportional to 1,143,721,116,777.20, 1,578,506,733,991.80 and 868,914,560,700.20 is: 1,199,232,457,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,721,116,777.20 : 1,578,506,733,991.80 = 868,914,560,700.20 : x
  2. Step 2: Convert to fraction form
    1,143,721,116,777.20/1,578,506,733,991.80 = 868,914,560,700.20/x
  3. Step 3: Cross multiply
    1,143,721,116,777.20x = 1,578,506,733,991.80 × 868,914,560,700.20
  4. Step 4: Simplify right side
    1,143,721,116,777.20x = 1,371,587,485,328,792,342,233,088
  5. Step 5: Solve for x
    x = 1,371,587,485,328,792,342,233,088/1,143,721,116,777.20
  6. Step 6: Final answer
    x = 1,199,232,457,291.41

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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.