Home / 456,163,520.44-630,025,259.88-309,230,712.76

Finding the Fourth Proportional to 456,163,520.44, 630,025,259.88 and 309,230,712.76

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Solution

The fourth proportional to 456,163,520.44, 630,025,259.88 and 309,230,712.76 is: 427,090,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,163,520.44 : 630,025,259.88 = 309,230,712.76 : x
  2. Step 2: Convert to fraction form
    456,163,520.44/630,025,259.88 = 309,230,712.76/x
  3. Step 3: Cross multiply
    456,163,520.44x = 630,025,259.88 × 309,230,712.76
  4. Step 4: Simplify right side
    456,163,520.44x = 194,823,160,169,496,640
  5. Step 5: Solve for x
    x = 194,823,160,169,496,640/456,163,520.44
  6. Step 6: Final answer
    x = 427,090,618.69

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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.