Home / 558,461,028.48-770,666,816.64-307,588,782.24

Finding the Fourth Proportional to 558,461,028.48, 770,666,816.64 and 307,588,782.24

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Solution

The fourth proportional to 558,461,028.48, 770,666,816.64 and 307,588,782.24 is: 424,467,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,461,028.48 : 770,666,816.64 = 307,588,782.24 : x
  2. Step 2: Convert to fraction form
    558,461,028.48/770,666,816.64 = 307,588,782.24/x
  3. Step 3: Cross multiply
    558,461,028.48x = 770,666,816.64 × 307,588,782.24
  4. Step 4: Simplify right side
    558,461,028.48x = 237,048,467,643,074,976
  5. Step 5: Solve for x
    x = 237,048,467,643,074,976/558,461,028.48
  6. Step 6: Final answer
    x = 424,467,340.70

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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.