Home / 1,227,256,538.91-1,840,884,832.77-294,579,386.90

Finding the Fourth Proportional to 1,227,256,538.91, 1,840,884,832.77 and 294,579,386.90

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Solution

The fourth proportional to 1,227,256,538.91, 1,840,884,832.77 and 294,579,386.90 is: 441,869,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,256,538.91 : 1,840,884,832.77 = 294,579,386.90 : x
  2. Step 2: Convert to fraction form
    1,227,256,538.91/1,840,884,832.77 = 294,579,386.90/x
  3. Step 3: Cross multiply
    1,227,256,538.91x = 1,840,884,832.77 × 294,579,386.90
  4. Step 4: Simplify right side
    1,227,256,538.91x = 542,286,725,389,713,920
  5. Step 5: Solve for x
    x = 542,286,725,389,713,920/1,227,256,538.91
  6. Step 6: Final answer
    x = 441,869,086.21

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1.5x scale

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.