Home / 873,679,622.77-1,205,675,933.43-502,401,686.95

Finding the Fourth Proportional to 873,679,622.77, 1,205,675,933.43 and 502,401,686.95

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Solution

The fourth proportional to 873,679,622.77, 1,205,675,933.43 and 502,401,686.95 is: 693,313,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,679,622.77 : 1,205,675,933.43 = 502,401,686.95 : x
  2. Step 2: Convert to fraction form
    873,679,622.77/1,205,675,933.43 = 502,401,686.95/x
  3. Step 3: Cross multiply
    873,679,622.77x = 1,205,675,933.43 × 502,401,686.95
  4. Step 4: Simplify right side
    873,679,622.77x = 605,733,622,870,247,936
  5. Step 5: Solve for x
    x = 605,733,622,870,247,936/873,679,622.77
  6. Step 6: Final answer
    x = 693,313,208.97

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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.