Home / 457,104,991,897.92-685,204,587,109.20-214,648,080,344.76

Finding the Fourth Proportional to 457,104,991,897.92, 685,204,587,109.20 and 214,648,080,344.76

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Solution

The fourth proportional to 457,104,991,897.92, 685,204,587,109.20 and 214,648,080,344.76 is: 321,759,446,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,104,991,897.92 : 685,204,587,109.20 = 214,648,080,344.76 : x
  2. Step 2: Convert to fraction form
    457,104,991,897.92/685,204,587,109.20 = 214,648,080,344.76/x
  3. Step 3: Cross multiply
    457,104,991,897.92x = 685,204,587,109.20 × 214,648,080,344.76
  4. Step 4: Simplify right side
    457,104,991,897.92x = 147,077,849,266,413,662,896,128
  5. Step 5: Solve for x
    x = 147,077,849,266,413,662,896,128/457,104,991,897.92
  6. Step 6: Final answer
    x = 321,759,446,677.10

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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.