Home / 472,392,029.80-708,588,044.70-144,918,085.60

Finding the Fourth Proportional to 472,392,029.80, 708,588,044.70 and 144,918,085.60

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Solution

The fourth proportional to 472,392,029.80, 708,588,044.70 and 144,918,085.60 is: 217,377,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,029.80 : 708,588,044.70 = 144,918,085.60 : x
  2. Step 2: Convert to fraction form
    472,392,029.80/708,588,044.70 = 144,918,085.60/x
  3. Step 3: Cross multiply
    472,392,029.80x = 708,588,044.70 × 144,918,085.60
  4. Step 4: Simplify right side
    472,392,029.80x = 102,687,222,916,971,232
  5. Step 5: Solve for x
    x = 102,687,222,916,971,232/472,392,029.80
  6. Step 6: Final answer
    x = 217,377,128.40

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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.