Home / 804,990,719.39-1,110,890,954.73-457,329,284.51

Finding the Fourth Proportional to 804,990,719.39, 1,110,890,954.73 and 457,329,284.51

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Solution

The fourth proportional to 804,990,719.39, 1,110,890,954.73 and 457,329,284.51 is: 631,116,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,990,719.39 : 1,110,890,954.73 = 457,329,284.51 : x
  2. Step 2: Convert to fraction form
    804,990,719.39/1,110,890,954.73 = 457,329,284.51/x
  3. Step 3: Cross multiply
    804,990,719.39x = 1,110,890,954.73 × 457,329,284.51
  4. Step 4: Simplify right side
    804,990,719.39x = 508,042,965,489,747,264
  5. Step 5: Solve for x
    x = 508,042,965,489,747,264/804,990,719.39
  6. Step 6: Final answer
    x = 631,116,549.86

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1.5x scale

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.