Home / 481,240,964.40-721,861,446.60-117,735,320.40

Finding the Fourth Proportional to 481,240,964.40, 721,861,446.60 and 117,735,320.40

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Solution

The fourth proportional to 481,240,964.40, 721,861,446.60 and 117,735,320.40 is: 176,602,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,240,964.40 : 721,861,446.60 = 117,735,320.40 : x
  2. Step 2: Convert to fraction form
    481,240,964.40/721,861,446.60 = 117,735,320.40/x
  3. Step 3: Cross multiply
    481,240,964.40x = 721,861,446.60 × 117,735,320.40
  4. Step 4: Simplify right side
    481,240,964.40x = 84,988,588,699,858,496
  5. Step 5: Solve for x
    x = 84,988,588,699,858,496/481,240,964.40
  6. Step 6: Final answer
    x = 176,602,980.60

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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.