Home / 557,878,645.74-836,939,037.52-169,691,387.01

Finding the Fourth Proportional to 557,878,645.74, 836,939,037.52 and 169,691,387.01

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Solution

The fourth proportional to 557,878,645.74, 836,939,037.52 and 169,691,387.01 is: 254,573,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,878,645.74 : 836,939,037.52 = 169,691,387.01 : x
  2. Step 2: Convert to fraction form
    557,878,645.74/836,939,037.52 = 169,691,387.01/x
  3. Step 3: Cross multiply
    557,878,645.74x = 836,939,037.52 × 169,691,387.01
  4. Step 4: Simplify right side
    557,878,645.74x = 142,021,346,119,583,216
  5. Step 5: Solve for x
    x = 142,021,346,119,583,216/557,878,645.74
  6. Step 6: Final answer
    x = 254,573,906.36

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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.