Home / 909,331,918.44-1,254,875,687.18-507,441,453.36

Finding the Fourth Proportional to 909,331,918.44, 1,254,875,687.18 and 507,441,453.36

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Solution

The fourth proportional to 909,331,918.44, 1,254,875,687.18 and 507,441,453.36 is: 700,267,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,331,918.44 : 1,254,875,687.18 = 507,441,453.36 : x
  2. Step 2: Convert to fraction form
    909,331,918.44/1,254,875,687.18 = 507,441,453.36/x
  3. Step 3: Cross multiply
    909,331,918.44x = 1,254,875,687.18 × 507,441,453.36
  4. Step 4: Simplify right side
    909,331,918.44x = 636,775,942,479,936,384
  5. Step 5: Solve for x
    x = 636,775,942,479,936,384/909,331,918.44
  6. Step 6: Final answer
    x = 700,267,888.51

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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.