Home / 506,807,980.24-699,395,012.88-275,020,972.24

Finding the Fourth Proportional to 506,807,980.24, 699,395,012.88 and 275,020,972.24

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Solution

The fourth proportional to 506,807,980.24, 699,395,012.88 and 275,020,972.24 is: 379,528,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,807,980.24 : 699,395,012.88 = 275,020,972.24 : x
  2. Step 2: Convert to fraction form
    506,807,980.24/699,395,012.88 = 275,020,972.24/x
  3. Step 3: Cross multiply
    506,807,980.24x = 699,395,012.88 × 275,020,972.24
  4. Step 4: Simplify right side
    506,807,980.24x = 192,348,296,422,064,928
  5. Step 5: Solve for x
    x = 192,348,296,422,064,928/506,807,980.24
  6. Step 6: Final answer
    x = 379,528,941.77

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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.