Home / 400,573,926.72-553,061,948.94-250,095,915.54

Finding the Fourth Proportional to 400,573,926.72, 553,061,948.94 and 250,095,915.54

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Solution

The fourth proportional to 400,573,926.72, 553,061,948.94 and 250,095,915.54 is: 345,300,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,573,926.72 : 553,061,948.94 = 250,095,915.54 : x
  2. Step 2: Convert to fraction form
    400,573,926.72/553,061,948.94 = 250,095,915.54/x
  3. Step 3: Cross multiply
    400,573,926.72x = 553,061,948.94 × 250,095,915.54
  4. Step 4: Simplify right side
    400,573,926.72x = 138,318,534,470,486,048
  5. Step 5: Solve for x
    x = 138,318,534,470,486,048/400,573,926.72
  6. Step 6: Final answer
    x = 345,300,892.65

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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.