Home / 384,347,579.10-576,465,381.45-111,689,915.10

Finding the Fourth Proportional to 384,347,579.10, 576,465,381.45 and 111,689,915.10

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Solution

The fourth proportional to 384,347,579.10, 576,465,381.45 and 111,689,915.10 is: 167,518,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,347,579.10 : 576,465,381.45 = 111,689,915.10 : x
  2. Step 2: Convert to fraction form
    384,347,579.10/576,465,381.45 = 111,689,915.10/x
  3. Step 3: Cross multiply
    384,347,579.10x = 576,465,381.45 × 111,689,915.10
  4. Step 4: Simplify right side
    384,347,579.10x = 64,385,369,512,239,616
  5. Step 5: Solve for x
    x = 64,385,369,512,239,616/384,347,579.10
  6. Step 6: Final answer
    x = 167,518,602.99

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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.