Home / 458,870,547.60-687,815,702.35-261,709,479.54

Finding the Fourth Proportional to 458,870,547.60, 687,815,702.35 and 261,709,479.54

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Solution

The fourth proportional to 458,870,547.60, 687,815,702.35 and 261,709,479.54 is: 392,284,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,870,547.60 : 687,815,702.35 = 261,709,479.54 : x
  2. Step 2: Convert to fraction form
    458,870,547.60/687,815,702.35 = 261,709,479.54/x
  3. Step 3: Cross multiply
    458,870,547.60x = 687,815,702.35 × 261,709,479.54
  4. Step 4: Simplify right side
    458,870,547.60x = 180,007,889,481,458,048
  5. Step 5: Solve for x
    x = 180,007,889,481,458,048/458,870,547.60
  6. Step 6: Final answer
    x = 392,284,687.75

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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.