Home / 464,878,532.40-641,577,688.91-347,199,558.86

Finding the Fourth Proportional to 464,878,532.40, 641,577,688.91 and 347,199,558.86

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Solution

The fourth proportional to 464,878,532.40, 641,577,688.91 and 347,199,558.86 is: 479,169,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,878,532.40 : 641,577,688.91 = 347,199,558.86 : x
  2. Step 2: Convert to fraction form
    464,878,532.40/641,577,688.91 = 347,199,558.86/x
  3. Step 3: Cross multiply
    464,878,532.40x = 641,577,688.91 × 347,199,558.86
  4. Step 4: Simplify right side
    464,878,532.40x = 222,755,490,563,838,272
  5. Step 5: Solve for x
    x = 222,755,490,563,838,272/464,878,532.40
  6. Step 6: Final answer
    x = 479,169,234.63

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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.