Home / 903,744,007.20-1,355,616,010.80-248,693,767.20

Finding the Fourth Proportional to 903,744,007.20, 1,355,616,010.80 and 248,693,767.20

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Solution

The fourth proportional to 903,744,007.20, 1,355,616,010.80 and 248,693,767.20 is: 373,040,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,744,007.20 : 1,355,616,010.80 = 248,693,767.20 : x
  2. Step 2: Convert to fraction form
    903,744,007.20/1,355,616,010.80 = 248,693,767.20/x
  3. Step 3: Cross multiply
    903,744,007.20x = 1,355,616,010.80 × 248,693,767.20
  4. Step 4: Simplify right side
    903,744,007.20x = 337,133,252,602,487,872
  5. Step 5: Solve for x
    x = 337,133,252,602,487,872/903,744,007.20
  6. Step 6: Final answer
    x = 373,040,650.80

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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.