Home / 639,586,865.01-882,613,612.95-357,331,425.96

Finding the Fourth Proportional to 639,586,865.01, 882,613,612.95 and 357,331,425.96

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Solution

The fourth proportional to 639,586,865.01, 882,613,612.95 and 357,331,425.96 is: 493,108,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,586,865.01 : 882,613,612.95 = 357,331,425.96 : x
  2. Step 2: Convert to fraction form
    639,586,865.01/882,613,612.95 = 357,331,425.96/x
  3. Step 3: Cross multiply
    639,586,865.01x = 882,613,612.95 × 357,331,425.96
  4. Step 4: Simplify right side
    639,586,865.01x = 315,385,580,887,131,008
  5. Step 5: Solve for x
    x = 315,385,580,887,131,008/639,586,865.01
  6. Step 6: Final answer
    x = 493,108,283.08

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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.