Home / 391,140,592,952.80-586,710,889,429.20-376,263,646,175.20

Finding the Fourth Proportional to 391,140,592,952.80, 586,710,889,429.20 and 376,263,646,175.20

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Solution

The fourth proportional to 391,140,592,952.80, 586,710,889,429.20 and 376,263,646,175.20 is: 564,395,469,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,592,952.80 : 586,710,889,429.20 = 376,263,646,175.20 : x
  2. Step 2: Convert to fraction form
    391,140,592,952.80/586,710,889,429.20 = 376,263,646,175.20/x
  3. Step 3: Cross multiply
    391,140,592,952.80x = 586,710,889,429.20 × 376,263,646,175.20
  4. Step 4: Simplify right side
    391,140,592,952.80x = 220,757,978,507,325,386,784,768
  5. Step 5: Solve for x
    x = 220,757,978,507,325,386,784,768/391,140,592,952.80
  6. Step 6: Final answer
    x = 564,395,469,262.80

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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.