Home / 395,725,987.20-593,588,980.80-292,413,856.80

Finding the Fourth Proportional to 395,725,987.20, 593,588,980.80 and 292,413,856.80

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Solution

The fourth proportional to 395,725,987.20, 593,588,980.80 and 292,413,856.80 is: 438,620,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,725,987.20 : 593,588,980.80 = 292,413,856.80 : x
  2. Step 2: Convert to fraction form
    395,725,987.20/593,588,980.80 = 292,413,856.80/x
  3. Step 3: Cross multiply
    395,725,987.20x = 593,588,980.80 × 292,413,856.80
  4. Step 4: Simplify right side
    395,725,987.20x = 173,573,643,229,709,152
  5. Step 5: Solve for x
    x = 173,573,643,229,709,152/395,725,987.20
  6. Step 6: Final answer
    x = 438,620,785.20

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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.