Home / 499,586,796.95-749,810,662.56-346,340,470.19

Finding the Fourth Proportional to 499,586,796.95, 749,810,662.56 and 346,340,470.19

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Solution

The fourth proportional to 499,586,796.95, 749,810,662.56 and 346,340,470.19 is: 519,809,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,586,796.95 : 749,810,662.56 = 346,340,470.19 : x
  2. Step 2: Convert to fraction form
    499,586,796.95/749,810,662.56 = 346,340,470.19/x
  3. Step 3: Cross multiply
    499,586,796.95x = 749,810,662.56 × 346,340,470.19
  4. Step 4: Simplify right side
    499,586,796.95x = 259,689,777,420,756,768
  5. Step 5: Solve for x
    x = 259,689,777,420,756,768/499,586,796.95
  6. Step 6: Final answer
    x = 519,809,128.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.