Home / 1,019,417,727.48-1,529,356,658.46-310,429,715.52

Finding the Fourth Proportional to 1,019,417,727.48, 1,529,356,658.46 and 310,429,715.52

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Solution

The fourth proportional to 1,019,417,727.48, 1,529,356,658.46 and 310,429,715.52 is: 465,714,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,417,727.48 : 1,529,356,658.46 = 310,429,715.52 : x
  2. Step 2: Convert to fraction form
    1,019,417,727.48/1,529,356,658.46 = 310,429,715.52/x
  3. Step 3: Cross multiply
    1,019,417,727.48x = 1,529,356,658.46 × 310,429,715.52
  4. Step 4: Simplify right side
    1,019,417,727.48x = 474,757,752,414,310,848
  5. Step 5: Solve for x
    x = 474,757,752,414,310,848/1,019,417,727.48
  6. Step 6: Final answer
    x = 465,714,632.59

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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.