Home / 1,387,166,888.84-2,079,293,784.78-466,723,673.96

Finding the Fourth Proportional to 1,387,166,888.84, 2,079,293,784.78 and 466,723,673.96

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Solution

The fourth proportional to 1,387,166,888.84, 2,079,293,784.78 and 466,723,673.96 is: 699,595,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,166,888.84 : 2,079,293,784.78 = 466,723,673.96 : x
  2. Step 2: Convert to fraction form
    1,387,166,888.84/2,079,293,784.78 = 466,723,673.96/x
  3. Step 3: Cross multiply
    1,387,166,888.84x = 2,079,293,784.78 × 466,723,673.96
  4. Step 4: Simplify right side
    1,387,166,888.84x = 970,455,634,474,715,136
  5. Step 5: Solve for x
    x = 970,455,634,474,715,136/1,387,166,888.84
  6. Step 6: Final answer
    x = 699,595,443.26

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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.