Home / 668,377,579.74-1,003,299,542.73-531,085,767.90

Finding the Fourth Proportional to 668,377,579.74, 1,003,299,542.73 and 531,085,767.90

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Solution

The fourth proportional to 668,377,579.74, 1,003,299,542.73 and 531,085,767.90 is: 797,211,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,377,579.74 : 1,003,299,542.73 = 531,085,767.90 : x
  2. Step 2: Convert to fraction form
    668,377,579.74/1,003,299,542.73 = 531,085,767.90/x
  3. Step 3: Cross multiply
    668,377,579.74x = 1,003,299,542.73 × 531,085,767.90
  4. Step 4: Simplify right side
    668,377,579.74x = 532,838,108,084,480,896
  5. Step 5: Solve for x
    x = 532,838,108,084,480,896/668,377,579.74
  6. Step 6: Final answer
    x = 797,211,223.47

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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.