Home / 506,807,420.25-699,394,239.95-275,020,412.25

Finding the Fourth Proportional to 506,807,420.25, 699,394,239.95 and 275,020,412.25

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Solution

The fourth proportional to 506,807,420.25, 699,394,239.95 and 275,020,412.25 is: 379,528,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,807,420.25 : 699,394,239.95 = 275,020,412.25 : x
  2. Step 2: Convert to fraction form
    506,807,420.25/699,394,239.95 = 275,020,412.25/x
  3. Step 3: Cross multiply
    506,807,420.25x = 699,394,239.95 × 275,020,412.25
  4. Step 4: Simplify right side
    506,807,420.25x = 192,347,692,194,949,344
  5. Step 5: Solve for x
    x = 192,347,692,194,949,344/506,807,420.25
  6. Step 6: Final answer
    x = 379,528,168.91

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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.