Home / 464,078,986.80-696,108,367.86-218,299,390.02

Finding the Fourth Proportional to 464,078,986.80, 696,108,367.86 and 218,299,390.02

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Solution

The fourth proportional to 464,078,986.80, 696,108,367.86 and 218,299,390.02 is: 327,444,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,078,986.80 : 696,108,367.86 = 218,299,390.02 : x
  2. Step 2: Convert to fraction form
    464,078,986.80/696,108,367.86 = 218,299,390.02/x
  3. Step 3: Cross multiply
    464,078,986.80x = 696,108,367.86 × 218,299,390.02
  4. Step 4: Simplify right side
    464,078,986.80x = 151,960,032,091,655,776
  5. Step 5: Solve for x
    x = 151,960,032,091,655,776/464,078,986.80
  6. Step 6: Final answer
    x = 327,444,328.26

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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.