Home / 447,516,537.04-617,579,219.28-256,808,632.57

Finding the Fourth Proportional to 447,516,537.04, 617,579,219.28 and 256,808,632.57

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Solution

The fourth proportional to 447,516,537.04, 617,579,219.28 and 256,808,632.57 is: 354,399,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,516,537.04 : 617,579,219.28 = 256,808,632.57 : x
  2. Step 2: Convert to fraction form
    447,516,537.04/617,579,219.28 = 256,808,632.57/x
  3. Step 3: Cross multiply
    447,516,537.04x = 617,579,219.28 × 256,808,632.57
  4. Step 4: Simplify right side
    447,516,537.04x = 158,599,674,806,944,960
  5. Step 5: Solve for x
    x = 158,599,674,806,944,960/447,516,537.04
  6. Step 6: Final answer
    x = 354,399,584.55

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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.