Home / 687,635,216.73-1,030,804,422.62-342,262,339.65

Finding the Fourth Proportional to 687,635,216.73, 1,030,804,422.62 and 342,262,339.65

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Solution

The fourth proportional to 687,635,216.73, 1,030,804,422.62 and 342,262,339.65 is: 513,070,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,635,216.73 : 1,030,804,422.62 = 342,262,339.65 : x
  2. Step 2: Convert to fraction form
    687,635,216.73/1,030,804,422.62 = 342,262,339.65/x
  3. Step 3: Cross multiply
    687,635,216.73x = 1,030,804,422.62 × 342,262,339.65
  4. Step 4: Simplify right side
    687,635,216.73x = 352,805,533,405,777,280
  5. Step 5: Solve for x
    x = 352,805,533,405,777,280/687,635,216.73
  6. Step 6: Final answer
    x = 513,070,774.77

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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.