Home / 524,641,100.10-786,961,650.15-217,775,256.90

Finding the Fourth Proportional to 524,641,100.10, 786,961,650.15 and 217,775,256.90

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Solution

The fourth proportional to 524,641,100.10, 786,961,650.15 and 217,775,256.90 is: 326,662,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,641,100.10 : 786,961,650.15 = 217,775,256.90 : x
  2. Step 2: Convert to fraction form
    524,641,100.10/786,961,650.15 = 217,775,256.90/x
  3. Step 3: Cross multiply
    524,641,100.10x = 786,961,650.15 × 217,775,256.90
  4. Step 4: Simplify right side
    524,641,100.10x = 171,380,775,531,864,160
  5. Step 5: Solve for x
    x = 171,380,775,531,864,160/524,641,100.10
  6. Step 6: Final answer
    x = 326,662,885.35

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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.