Home / 2,209,240,746.91-3,048,816,865.55-1,205,722,678.56

Finding the Fourth Proportional to 2,209,240,746.91, 3,048,816,865.55 and 1,205,722,678.56

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Solution

The fourth proportional to 2,209,240,746.91, 3,048,816,865.55 and 1,205,722,678.56 is: 1,663,932,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,240,746.91 : 3,048,816,865.55 = 1,205,722,678.56 : x
  2. Step 2: Convert to fraction form
    2,209,240,746.91/3,048,816,865.55 = 1,205,722,678.56/x
  3. Step 3: Cross multiply
    2,209,240,746.91x = 3,048,816,865.55 × 1,205,722,678.56
  4. Step 4: Simplify right side
    2,209,240,746.91x = 3,676,027,637,569,849,344
  5. Step 5: Solve for x
    x = 3,676,027,637,569,849,344/2,209,240,746.91
  6. Step 6: Final answer
    x = 1,663,932,571.73

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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.