Home / 557,878,643.23-836,939,033.76-169,691,384.51

Finding the Fourth Proportional to 557,878,643.23, 836,939,033.76 and 169,691,384.51

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Solution

The fourth proportional to 557,878,643.23, 836,939,033.76 and 169,691,384.51 is: 254,573,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,878,643.23 : 836,939,033.76 = 169,691,384.51 : x
  2. Step 2: Convert to fraction form
    557,878,643.23/836,939,033.76 = 169,691,384.51/x
  3. Step 3: Cross multiply
    557,878,643.23x = 836,939,033.76 × 169,691,384.51
  4. Step 4: Simplify right side
    557,878,643.23x = 142,021,343,393,498,160
  5. Step 5: Solve for x
    x = 142,021,343,393,498,160/557,878,643.23
  6. Step 6: Final answer
    x = 254,573,902.62

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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.