Home / 674,260,199.36-1,011,390,692.16-189,586,007.36

Finding the Fourth Proportional to 674,260,199.36, 1,011,390,692.16 and 189,586,007.36

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Solution

The fourth proportional to 674,260,199.36, 1,011,390,692.16 and 189,586,007.36 is: 284,379,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,260,199.36 : 1,011,390,692.16 = 189,586,007.36 : x
  2. Step 2: Convert to fraction form
    674,260,199.36/1,011,390,692.16 = 189,586,007.36/x
  3. Step 3: Cross multiply
    674,260,199.36x = 1,011,390,692.16 × 189,586,007.36
  4. Step 4: Simplify right side
    674,260,199.36x = 191,745,523,207,681,248
  5. Step 5: Solve for x
    x = 191,745,523,207,681,248/674,260,199.36
  6. Step 6: Final answer
    x = 284,379,121.58

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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.