Home / 778,098,461.31-1,073,658,665.52-443,600,048.07

Finding the Fourth Proportional to 778,098,461.31, 1,073,658,665.52 and 443,600,048.07

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Solution

The fourth proportional to 778,098,461.31, 1,073,658,665.52 and 443,600,048.07 is: 612,101,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,098,461.31 : 1,073,658,665.52 = 443,600,048.07 : x
  2. Step 2: Convert to fraction form
    778,098,461.31/1,073,658,665.52 = 443,600,048.07/x
  3. Step 3: Cross multiply
    778,098,461.31x = 1,073,658,665.52 × 443,600,048.07
  4. Step 4: Simplify right side
    778,098,461.31x = 476,275,035,635,444,032
  5. Step 5: Solve for x
    x = 476,275,035,635,444,032/778,098,461.31
  6. Step 6: Final answer
    x = 612,101,243.37

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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.