Home / 819,005,526.21-1,226,558,224.44-522,983,724.30

Finding the Fourth Proportional to 819,005,526.21, 1,226,558,224.44 and 522,983,724.30

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Solution

The fourth proportional to 819,005,526.21, 1,226,558,224.44 and 522,983,724.30 is: 783,230,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,005,526.21 : 1,226,558,224.44 = 522,983,724.30 : x
  2. Step 2: Convert to fraction form
    819,005,526.21/1,226,558,224.44 = 522,983,724.30/x
  3. Step 3: Cross multiply
    819,005,526.21x = 1,226,558,224.44 × 522,983,724.30
  4. Step 4: Simplify right side
    819,005,526.21x = 641,469,988,288,426,496
  5. Step 5: Solve for x
    x = 641,469,988,288,426,496/819,005,526.21
  6. Step 6: Final answer
    x = 783,230,354.08

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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.