Home / 948,983,983.80-1,423,690,618.86-512,275,294.44

Finding the Fourth Proportional to 948,983,983.80, 1,423,690,618.86 and 512,275,294.44

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Solution

The fourth proportional to 948,983,983.80, 1,423,690,618.86 and 512,275,294.44 is: 768,528,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,983,983.80 : 1,423,690,618.86 = 512,275,294.44 : x
  2. Step 2: Convert to fraction form
    948,983,983.80/1,423,690,618.86 = 512,275,294.44/x
  3. Step 3: Cross multiply
    948,983,983.80x = 1,423,690,618.86 × 512,275,294.44
  4. Step 4: Simplify right side
    948,983,983.80x = 729,321,530,967,972,224
  5. Step 5: Solve for x
    x = 729,321,530,967,972,224/948,983,983.80
  6. Step 6: Final answer
    x = 768,528,809.15

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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.