Home / 783,708,719.63-1,081,274,554.77-444,561,300.17

Finding the Fourth Proportional to 783,708,719.63, 1,081,274,554.77 and 444,561,300.17

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Solution

The fourth proportional to 783,708,719.63, 1,081,274,554.77 and 444,561,300.17 is: 613,356,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,708,719.63 : 1,081,274,554.77 = 444,561,300.17 : x
  2. Step 2: Convert to fraction form
    783,708,719.63/1,081,274,554.77 = 444,561,300.17/x
  3. Step 3: Cross multiply
    783,708,719.63x = 1,081,274,554.77 × 444,561,300.17
  4. Step 4: Simplify right side
    783,708,719.63x = 480,692,821,903,882,688
  5. Step 5: Solve for x
    x = 480,692,821,903,882,688/783,708,719.63
  6. Step 6: Final answer
    x = 613,356,480.37

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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.