Home / 670,320,206.50-925,027,389.92-388,074,548.61

Finding the Fourth Proportional to 670,320,206.50, 925,027,389.92 and 388,074,548.61

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Solution

The fourth proportional to 670,320,206.50, 925,027,389.92 and 388,074,548.61 is: 535,534,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,320,206.50 : 925,027,389.92 = 388,074,548.61 : x
  2. Step 2: Convert to fraction form
    670,320,206.50/925,027,389.92 = 388,074,548.61/x
  3. Step 3: Cross multiply
    670,320,206.50x = 925,027,389.92 × 388,074,548.61
  4. Step 4: Simplify right side
    670,320,206.50x = 358,979,586,788,524,928
  5. Step 5: Solve for x
    x = 358,979,586,788,524,928/670,320,206.50
  6. Step 6: Final answer
    x = 535,534,485.32

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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.