Home / 403,163,815.80-604,857,698.10-173,243,047.80

Finding the Fourth Proportional to 403,163,815.80, 604,857,698.10 and 173,243,047.80

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Solution

The fourth proportional to 403,163,815.80, 604,857,698.10 and 173,243,047.80 is: 259,912,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,163,815.80 : 604,857,698.10 = 173,243,047.80 : x
  2. Step 2: Convert to fraction form
    403,163,815.80/604,857,698.10 = 173,243,047.80/x
  3. Step 3: Cross multiply
    403,163,815.80x = 604,857,698.10 × 173,243,047.80
  4. Step 4: Simplify right side
    403,163,815.80x = 104,787,391,104,136,288
  5. Step 5: Solve for x
    x = 104,787,391,104,136,288/403,163,815.80
  6. Step 6: Final answer
    x = 259,912,688.09

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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.