Home / 420,574,924,241.76-580,393,905,634.44-227,886,948,136.56

Finding the Fourth Proportional to 420,574,924,241.76, 580,393,905,634.44 and 227,886,948,136.56

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Solution

The fourth proportional to 420,574,924,241.76, 580,393,905,634.44 and 227,886,948,136.56 is: 314,484,264,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,574,924,241.76 : 580,393,905,634.44 = 227,886,948,136.56 : x
  2. Step 2: Convert to fraction form
    420,574,924,241.76/580,393,905,634.44 = 227,886,948,136.56/x
  3. Step 3: Cross multiply
    420,574,924,241.76x = 580,393,905,634.44 × 227,886,948,136.56
  4. Step 4: Simplify right side
    420,574,924,241.76x = 132,264,195,872,091,115,880,448
  5. Step 5: Solve for x
    x = 132,264,195,872,091,115,880,448/420,574,924,241.76
  6. Step 6: Final answer
    x = 314,484,264,868.02

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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.