Home / 474,644,656.80-712,179,561.60-215,726,601.60

Finding the Fourth Proportional to 474,644,656.80, 712,179,561.60 and 215,726,601.60

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Solution

The fourth proportional to 474,644,656.80, 712,179,561.60 and 215,726,601.60 is: 323,686,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,644,656.80 : 712,179,561.60 = 215,726,601.60 : x
  2. Step 2: Convert to fraction form
    474,644,656.80/712,179,561.60 = 215,726,601.60/x
  3. Step 3: Cross multiply
    474,644,656.80x = 712,179,561.60 × 215,726,601.60
  4. Step 4: Simplify right side
    474,644,656.80x = 153,636,076,552,945,856
  5. Step 5: Solve for x
    x = 153,636,076,552,945,856/474,644,656.80
  6. Step 6: Final answer
    x = 323,686,518.64

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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.