Home / 640,285,797.88-883,604,432.46-375,973,635.16

Finding the Fourth Proportional to 640,285,797.88, 883,604,432.46 and 375,973,635.16

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Solution

The fourth proportional to 640,285,797.88, 883,604,432.46 and 375,973,635.16 is: 518,849,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,285,797.88 : 883,604,432.46 = 375,973,635.16 : x
  2. Step 2: Convert to fraction form
    640,285,797.88/883,604,432.46 = 375,973,635.16/x
  3. Step 3: Cross multiply
    640,285,797.88x = 883,604,432.46 × 375,973,635.16
  4. Step 4: Simplify right side
    640,285,797.88x = 332,211,970,515,474,944
  5. Step 5: Solve for x
    x = 332,211,970,515,474,944/640,285,797.88
  6. Step 6: Final answer
    x = 518,849,506.92

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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.