Home / 495,116,346.60-742,674,519.90-457,702,900.20

Finding the Fourth Proportional to 495,116,346.60, 742,674,519.90 and 457,702,900.20

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Solution

The fourth proportional to 495,116,346.60, 742,674,519.90 and 457,702,900.20 is: 686,554,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,116,346.60 : 742,674,519.90 = 457,702,900.20 : x
  2. Step 2: Convert to fraction form
    495,116,346.60/742,674,519.90 = 457,702,900.20/x
  3. Step 3: Cross multiply
    495,116,346.60x = 742,674,519.90 × 457,702,900.20
  4. Step 4: Simplify right side
    495,116,346.60x = 339,924,281,662,872,576
  5. Step 5: Solve for x
    x = 339,924,281,662,872,576/495,116,346.60
  6. Step 6: Final answer
    x = 686,554,350.30

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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.