Home / 460,387,714.34-690,571,600.67-128,385,865.60

Finding the Fourth Proportional to 460,387,714.34, 690,571,600.67 and 128,385,865.60

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Solution

The fourth proportional to 460,387,714.34, 690,571,600.67 and 128,385,865.60 is: 192,576,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,387,714.34 : 690,571,600.67 = 128,385,865.60 : x
  2. Step 2: Convert to fraction form
    460,387,714.34/690,571,600.67 = 128,385,865.60/x
  3. Step 3: Cross multiply
    460,387,714.34x = 690,571,600.67 × 128,385,865.60
  4. Step 4: Simplify right side
    460,387,714.34x = 88,659,632,712,549,504
  5. Step 5: Solve for x
    x = 88,659,632,712,549,504/460,387,714.34
  6. Step 6: Final answer
    x = 192,576,017.89

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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.