Home / 447,516,536.04-617,579,217.90-256,808,631.57

Finding the Fourth Proportional to 447,516,536.04, 617,579,217.90 and 256,808,631.57

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Solution

The fourth proportional to 447,516,536.04, 617,579,217.90 and 256,808,631.57 is: 354,399,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,516,536.04 : 617,579,217.90 = 256,808,631.57 : x
  2. Step 2: Convert to fraction form
    447,516,536.04/617,579,217.90 = 256,808,631.57/x
  3. Step 3: Cross multiply
    447,516,536.04x = 617,579,217.90 × 256,808,631.57
  4. Step 4: Simplify right side
    447,516,536.04x = 158,599,673,834,969,824
  5. Step 5: Solve for x
    x = 158,599,673,834,969,824/447,516,536.04
  6. Step 6: Final answer
    x = 354,399,583.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.