Home / 565,650,858.72-847,702,187.28-427,362,785.76

Finding the Fourth Proportional to 565,650,858.72, 847,702,187.28 and 427,362,785.76

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Solution

The fourth proportional to 565,650,858.72, 847,702,187.28 and 427,362,785.76 is: 640,459,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,650,858.72 : 847,702,187.28 = 427,362,785.76 : x
  2. Step 2: Convert to fraction form
    565,650,858.72/847,702,187.28 = 427,362,785.76/x
  3. Step 3: Cross multiply
    565,650,858.72x = 847,702,187.28 × 427,362,785.76
  4. Step 4: Simplify right side
    565,650,858.72x = 362,276,368,250,826,048
  5. Step 5: Solve for x
    x = 362,276,368,250,826,048/565,650,858.72
  6. Step 6: Final answer
    x = 640,459,326.93

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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.