Home / 466,169,168.57-643,311,209.63-257,323,484.39

Finding the Fourth Proportional to 466,169,168.57, 643,311,209.63 and 257,323,484.39

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Solution

The fourth proportional to 466,169,168.57, 643,311,209.63 and 257,323,484.39 is: 355,105,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,169,168.57 : 643,311,209.63 = 257,323,484.39 : x
  2. Step 2: Convert to fraction form
    466,169,168.57/643,311,209.63 = 257,323,484.39/x
  3. Step 3: Cross multiply
    466,169,168.57x = 643,311,209.63 × 257,323,484.39
  4. Step 4: Simplify right side
    466,169,168.57x = 165,539,082,006,564,096
  5. Step 5: Solve for x
    x = 165,539,082,006,564,096/466,169,168.57
  6. Step 6: Final answer
    x = 355,105,170.33

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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.