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Finding the Fourth Proportional to 557,878,644.49, 836,939,035.65 and 169,691,385.77

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Solution

The fourth proportional to 557,878,644.49, 836,939,035.65 and 169,691,385.77 is: 254,573,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,878,644.49 : 836,939,035.65 = 169,691,385.77 : x
  2. Step 2: Convert to fraction form
    557,878,644.49/836,939,035.65 = 169,691,385.77/x
  3. Step 3: Cross multiply
    557,878,644.49x = 836,939,035.65 × 169,691,385.77
  4. Step 4: Simplify right side
    557,878,644.49x = 142,021,344,759,422,768
  5. Step 5: Solve for x
    x = 142,021,344,759,422,768/557,878,644.49
  6. Step 6: Final answer
    x = 254,573,904.49

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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.