Home / 558,460,847.30-770,666,566.92-307,588,601.07

Finding the Fourth Proportional to 558,460,847.30, 770,666,566.92 and 307,588,601.07

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Solution

The fourth proportional to 558,460,847.30, 770,666,566.92 and 307,588,601.07 is: 424,467,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,460,847.30 : 770,666,566.92 = 307,588,601.07 : x
  2. Step 2: Convert to fraction form
    558,460,847.30/770,666,566.92 = 307,588,601.07/x
  3. Step 3: Cross multiply
    558,460,847.30x = 770,666,566.92 × 307,588,601.07
  4. Step 4: Simplify right side
    558,460,847.30x = 237,048,251,213,232,352
  5. Step 5: Solve for x
    x = 237,048,251,213,232,352/558,460,847.30
  6. Step 6: Final answer
    x = 424,467,090.86

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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.