Home / 670,356,489.70-1,005,679,465.80-204,054,377.14

Finding the Fourth Proportional to 670,356,489.70, 1,005,679,465.80 and 204,054,377.14

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Solution

The fourth proportional to 670,356,489.70, 1,005,679,465.80 and 204,054,377.14 is: 306,125,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,489.70 : 1,005,679,465.80 = 204,054,377.14 : x
  2. Step 2: Convert to fraction form
    670,356,489.70/1,005,679,465.80 = 204,054,377.14/x
  3. Step 3: Cross multiply
    670,356,489.70x = 1,005,679,465.80 × 204,054,377.14
  4. Step 4: Simplify right side
    670,356,489.70x = 205,213,296,996,306,912
  5. Step 5: Solve for x
    x = 205,213,296,996,306,912/670,356,489.70
  6. Step 6: Final answer
    x = 306,125,621.44

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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.