Home / 558,460,833.76-770,666,548.23-307,588,587.53

Finding the Fourth Proportional to 558,460,833.76, 770,666,548.23 and 307,588,587.53

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Solution

The fourth proportional to 558,460,833.76, 770,666,548.23 and 307,588,587.53 is: 424,467,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,460,833.76 : 770,666,548.23 = 307,588,587.53 : x
  2. Step 2: Convert to fraction form
    558,460,833.76/770,666,548.23 = 307,588,587.53/x
  3. Step 3: Cross multiply
    558,460,833.76x = 770,666,548.23 × 307,588,587.53
  4. Step 4: Simplify right side
    558,460,833.76x = 237,048,235,028,613,024
  5. Step 5: Solve for x
    x = 237,048,235,028,613,024/558,460,833.76
  6. Step 6: Final answer
    x = 424,467,072.17

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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.