Home / 495,146,964.30-742,720,446.45-265,564,452.30

Finding the Fourth Proportional to 495,146,964.30, 742,720,446.45 and 265,564,452.30

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Solution

The fourth proportional to 495,146,964.30, 742,720,446.45 and 265,564,452.30 is: 398,346,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,146,964.30 : 742,720,446.45 = 265,564,452.30 : x
  2. Step 2: Convert to fraction form
    495,146,964.30/742,720,446.45 = 265,564,452.30/x
  3. Step 3: Cross multiply
    495,146,964.30x = 742,720,446.45 × 265,564,452.30
  4. Step 4: Simplify right side
    495,146,964.30x = 197,240,148,573,505,760
  5. Step 5: Solve for x
    x = 197,240,148,573,505,760/495,146,964.30
  6. Step 6: Final answer
    x = 398,346,678.45

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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.