Home / 856,932,029.67-1,285,804,254.24-414,026,435.79

Finding the Fourth Proportional to 856,932,029.67, 1,285,804,254.24 and 414,026,435.79

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Solution

The fourth proportional to 856,932,029.67, 1,285,804,254.24 and 414,026,435.79 is: 621,235,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,932,029.67 : 1,285,804,254.24 = 414,026,435.79 : x
  2. Step 2: Convert to fraction form
    856,932,029.67/1,285,804,254.24 = 414,026,435.79/x
  3. Step 3: Cross multiply
    856,932,029.67x = 1,285,804,254.24 × 414,026,435.79
  4. Step 4: Simplify right side
    856,932,029.67x = 532,356,952,506,606,208
  5. Step 5: Solve for x
    x = 532,356,952,506,606,208/856,932,029.67
  6. Step 6: Final answer
    x = 621,235,913.79

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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.