Home / 945,474,529.05-1,418,424,369.98-290,455,781.85

Finding the Fourth Proportional to 945,474,529.05, 1,418,424,369.98 and 290,455,781.85

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Solution

The fourth proportional to 945,474,529.05, 1,418,424,369.98 and 290,455,781.85 is: 435,748,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,474,529.05 : 1,418,424,369.98 = 290,455,781.85 : x
  2. Step 2: Convert to fraction form
    945,474,529.05/1,418,424,369.98 = 290,455,781.85/x
  3. Step 3: Cross multiply
    945,474,529.05x = 1,418,424,369.98 × 290,455,781.85
  4. Step 4: Simplify right side
    945,474,529.05x = 411,989,559,376,182,272
  5. Step 5: Solve for x
    x = 411,989,559,376,182,272/945,474,529.05
  6. Step 6: Final answer
    x = 435,748,977.60

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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.