Home / 909,317,353.64-1,254,858,197.98-501,948,309.38

Finding the Fourth Proportional to 909,317,353.64, 1,254,858,197.98 and 501,948,309.38

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Solution

The fourth proportional to 909,317,353.64, 1,254,858,197.98 and 501,948,309.38 is: 692,688,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,317,353.64 : 1,254,858,197.98 = 501,948,309.38 : x
  2. Step 2: Convert to fraction form
    909,317,353.64/1,254,858,197.98 = 501,948,309.38/x
  3. Step 3: Cross multiply
    909,317,353.64x = 1,254,858,197.98 × 501,948,309.38
  4. Step 4: Simplify right side
    909,317,353.64x = 629,873,950,987,694,336
  5. Step 5: Solve for x
    x = 629,873,950,987,694,336/909,317,353.64
  6. Step 6: Final answer
    x = 692,688,804.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.