Home / 500,196,237.84-690,274,861.14-277,181,644.65

Finding the Fourth Proportional to 500,196,237.84, 690,274,861.14 and 277,181,644.65

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Solution

The fourth proportional to 500,196,237.84, 690,274,861.14 and 277,181,644.65 is: 382,512,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,196,237.84 : 690,274,861.14 = 277,181,644.65 : x
  2. Step 2: Convert to fraction form
    500,196,237.84/690,274,861.14 = 277,181,644.65/x
  3. Step 3: Cross multiply
    500,196,237.84x = 690,274,861.14 × 277,181,644.65
  4. Step 4: Simplify right side
    500,196,237.84x = 191,331,521,271,335,552
  5. Step 5: Solve for x
    x = 191,331,521,271,335,552/500,196,237.84
  6. Step 6: Final answer
    x = 382,512,915.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.