Home / 286,931,617.16-396,087,810.45-192,900,298.82

Finding the Fourth Proportional to 286,931,617.16, 396,087,810.45 and 192,900,298.82

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Solution

The fourth proportional to 286,931,617.16, 396,087,810.45 and 192,900,298.82 is: 266,284,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,931,617.16 : 396,087,810.45 = 192,900,298.82 : x
  2. Step 2: Convert to fraction form
    286,931,617.16/396,087,810.45 = 192,900,298.82/x
  3. Step 3: Cross multiply
    286,931,617.16x = 396,087,810.45 × 192,900,298.82
  4. Step 4: Simplify right side
    286,931,617.16x = 76,405,456,992,060,704
  5. Step 5: Solve for x
    x = 76,405,456,992,060,704/286,931,617.16
  6. Step 6: Final answer
    x = 266,284,551.52

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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.