Home / 1,906,653,389.67-2,859,989,218.65-578,692,964.52

Finding the Fourth Proportional to 1,906,653,389.67, 2,859,989,218.65 and 578,692,964.52

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Solution

The fourth proportional to 1,906,653,389.67, 2,859,989,218.65 and 578,692,964.52 is: 868,042,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,653,389.67 : 2,859,989,218.65 = 578,692,964.52 : x
  2. Step 2: Convert to fraction form
    1,906,653,389.67/2,859,989,218.65 = 578,692,964.52/x
  3. Step 3: Cross multiply
    1,906,653,389.67x = 2,859,989,218.65 × 578,692,964.52
  4. Step 4: Simplify right side
    1,906,653,389.67x = 1,655,055,639,435,806,976
  5. Step 5: Solve for x
    x = 1,655,055,639,435,806,976/1,906,653,389.67
  6. Step 6: Final answer
    x = 868,042,219.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.