Home / 499,291,816.96-749,009,368.32-154,275,569.92

Finding the Fourth Proportional to 499,291,816.96, 749,009,368.32 and 154,275,569.92

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Solution

The fourth proportional to 499,291,816.96, 749,009,368.32 and 154,275,569.92 is: 231,435,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,291,816.96 : 749,009,368.32 = 154,275,569.92 : x
  2. Step 2: Convert to fraction form
    499,291,816.96/749,009,368.32 = 154,275,569.92/x
  3. Step 3: Cross multiply
    499,291,816.96x = 749,009,368.32 × 154,275,569.92
  4. Step 4: Simplify right side
    499,291,816.96x = 115,553,847,172,987,184
  5. Step 5: Solve for x
    x = 115,553,847,172,987,184/499,291,816.96
  6. Step 6: Final answer
    x = 231,435,491.73

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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.