Home / 558,460,877.87-770,666,608.94-307,588,631.65

Finding the Fourth Proportional to 558,460,877.87, 770,666,608.94 and 307,588,631.65

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Solution

The fourth proportional to 558,460,877.87, 770,666,608.94 and 307,588,631.65 is: 424,467,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,460,877.87 : 770,666,608.94 = 307,588,631.65 : x
  2. Step 2: Convert to fraction form
    558,460,877.87/770,666,608.94 = 307,588,631.65/x
  3. Step 3: Cross multiply
    558,460,877.87x = 770,666,608.94 × 307,588,631.65
  4. Step 4: Simplify right side
    558,460,877.87x = 237,048,287,698,735,616
  5. Step 5: Solve for x
    x = 237,048,287,698,735,616/558,460,877.87
  6. Step 6: Final answer
    x = 424,467,132.96

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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.