Home / 409,698,400.80-614,547,601.20-362,347,007.70

Finding the Fourth Proportional to 409,698,400.80, 614,547,601.20 and 362,347,007.70

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Solution

The fourth proportional to 409,698,400.80, 614,547,601.20 and 362,347,007.70 is: 543,520,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,698,400.80 : 614,547,601.20 = 362,347,007.70 : x
  2. Step 2: Convert to fraction form
    409,698,400.80/614,547,601.20 = 362,347,007.70/x
  3. Step 3: Cross multiply
    409,698,400.80x = 614,547,601.20 × 362,347,007.70
  4. Step 4: Simplify right side
    409,698,400.80x = 222,679,484,384,032,928
  5. Step 5: Solve for x
    x = 222,679,484,384,032,928/409,698,400.80
  6. Step 6: Final answer
    x = 543,520,511.55

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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.