Home / 558,501,232.56-770,766,704.37-307,605,574.50

Finding the Fourth Proportional to 558,501,232.56, 770,766,704.37 and 307,605,574.50

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Solution

The fourth proportional to 558,501,232.56, 770,766,704.37 and 307,605,574.50 is: 424,514,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,501,232.56 : 770,766,704.37 = 307,605,574.50 : x
  2. Step 2: Convert to fraction form
    558,501,232.56/770,766,704.37 = 307,605,574.50/x
  3. Step 3: Cross multiply
    558,501,232.56x = 770,766,704.37 × 307,605,574.50
  4. Step 4: Simplify right side
    558,501,232.56x = 237,092,134,903,205,504
  5. Step 5: Solve for x
    x = 237,092,134,903,205,504/558,501,232.56
  6. Step 6: Final answer
    x = 424,514,971.64

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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.