Home / 472,393,042.05-708,589,563.08-288,727,032.45

Finding the Fourth Proportional to 472,393,042.05, 708,589,563.08 and 288,727,032.45

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Solution

The fourth proportional to 472,393,042.05, 708,589,563.08 and 288,727,032.45 is: 433,090,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,042.05 : 708,589,563.08 = 288,727,032.45 : x
  2. Step 2: Convert to fraction form
    472,393,042.05/708,589,563.08 = 288,727,032.45/x
  3. Step 3: Cross multiply
    472,393,042.05x = 708,589,563.08 × 288,727,032.45
  4. Step 4: Simplify right side
    472,393,042.05x = 204,588,961,771,686,848
  5. Step 5: Solve for x
    x = 204,588,961,771,686,848/472,393,042.05
  6. Step 6: Final answer
    x = 433,090,548.68

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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.