Home / 836,775,780.64-1,254,775,807.56-312,003,981

Finding the Fourth Proportional to 836,775,780.64, 1,254,775,807.56 and 312,003,981

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Solution

The fourth proportional to 836,775,780.64, 1,254,775,807.56 and 312,003,981 is: 467,861,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,775,780.64 : 1,254,775,807.56 = 312,003,981 : x
  2. Step 2: Convert to fraction form
    836,775,780.64/1,254,775,807.56 = 312,003,981/x
  3. Step 3: Cross multiply
    836,775,780.64x = 1,254,775,807.56 × 312,003,981
  4. Step 4: Simplify right side
    836,775,780.64x = 391,495,047,220,835,456
  5. Step 5: Solve for x
    x = 391,495,047,220,835,456/836,775,780.64
  6. Step 6: Final answer
    x = 467,861,351.01

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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.