Home / 667,376,101.80-1,001,064,152.70-207,455,250.60

Finding the Fourth Proportional to 667,376,101.80, 1,001,064,152.70 and 207,455,250.60

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Solution

The fourth proportional to 667,376,101.80, 1,001,064,152.70 and 207,455,250.60 is: 311,182,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,376,101.80 : 1,001,064,152.70 = 207,455,250.60 : x
  2. Step 2: Convert to fraction form
    667,376,101.80/1,001,064,152.70 = 207,455,250.60/x
  3. Step 3: Cross multiply
    667,376,101.80x = 1,001,064,152.70 × 207,455,250.60
  4. Step 4: Simplify right side
    667,376,101.80x = 207,676,014,665,055,168
  5. Step 5: Solve for x
    x = 207,676,014,665,055,168/667,376,101.80
  6. Step 6: Final answer
    x = 311,182,875.90

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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.