Home / 836,263,268.64-1,254,392,654.40-311,620,426.92

Finding the Fourth Proportional to 836,263,268.64, 1,254,392,654.40 and 311,620,426.92

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Solution

The fourth proportional to 836,263,268.64, 1,254,392,654.40 and 311,620,426.92 is: 467,429,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,263,268.64 : 1,254,392,654.40 = 311,620,426.92 : x
  2. Step 2: Convert to fraction form
    836,263,268.64/1,254,392,654.40 = 311,620,426.92/x
  3. Step 3: Cross multiply
    836,263,268.64x = 1,254,392,654.40 × 311,620,426.92
  4. Step 4: Simplify right side
    836,263,268.64x = 390,894,374,489,440,064
  5. Step 5: Solve for x
    x = 390,894,374,489,440,064/836,263,268.64
  6. Step 6: Final answer
    x = 467,429,802.49

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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.