Home / 909,317,353.14-1,254,858,197.29-501,948,308.88

Finding the Fourth Proportional to 909,317,353.14, 1,254,858,197.29 and 501,948,308.88

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Solution

The fourth proportional to 909,317,353.14, 1,254,858,197.29 and 501,948,308.88 is: 692,688,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,317,353.14 : 1,254,858,197.29 = 501,948,308.88 : x
  2. Step 2: Convert to fraction form
    909,317,353.14/1,254,858,197.29 = 501,948,308.88/x
  3. Step 3: Cross multiply
    909,317,353.14x = 1,254,858,197.29 × 501,948,308.88
  4. Step 4: Simplify right side
    909,317,353.14x = 629,873,950,012,665,984
  5. Step 5: Solve for x
    x = 629,873,950,012,665,984/909,317,353.14
  6. Step 6: Final answer
    x = 692,688,804.23

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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.