Home / 457,104,991,908.67-685,204,587,124.80-214,648,080,354.93

Finding the Fourth Proportional to 457,104,991,908.67, 685,204,587,124.80 and 214,648,080,354.93

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Solution

The fourth proportional to 457,104,991,908.67, 685,204,587,124.80 and 214,648,080,354.93 is: 321,759,446,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,104,991,908.67 : 685,204,587,124.80 = 214,648,080,354.93 : x
  2. Step 2: Convert to fraction form
    457,104,991,908.67/685,204,587,124.80 = 214,648,080,354.93/x
  3. Step 3: Cross multiply
    457,104,991,908.67x = 685,204,587,124.80 × 214,648,080,354.93
  4. Step 4: Simplify right side
    457,104,991,908.67x = 147,077,849,276,730,711,212,032
  5. Step 5: Solve for x
    x = 147,077,849,276,730,711,212,032/457,104,991,908.67
  6. Step 6: Final answer
    x = 321,759,446,692.10

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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.