Home / 286,931,618.02-396,087,811.63-192,900,299.68

Finding the Fourth Proportional to 286,931,618.02, 396,087,811.63 and 192,900,299.68

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Solution

The fourth proportional to 286,931,618.02, 396,087,811.63 and 192,900,299.68 is: 266,284,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,931,618.02 : 396,087,811.63 = 192,900,299.68 : x
  2. Step 2: Convert to fraction form
    286,931,618.02/396,087,811.63 = 192,900,299.68/x
  3. Step 3: Cross multiply
    286,931,618.02x = 396,087,811.63 × 192,900,299.68
  4. Step 4: Simplify right side
    286,931,618.02x = 76,405,457,563,022,384
  5. Step 5: Solve for x
    x = 76,405,457,563,022,384/286,931,618.02
  6. Step 6: Final answer
    x = 266,284,552.71

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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.