Home / 721,894,955.40-1,082,842,433.10-334,474,466.40

Finding the Fourth Proportional to 721,894,955.40, 1,082,842,433.10 and 334,474,466.40

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Solution

The fourth proportional to 721,894,955.40, 1,082,842,433.10 and 334,474,466.40 is: 501,711,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,894,955.40 : 1,082,842,433.10 = 334,474,466.40 : x
  2. Step 2: Convert to fraction form
    721,894,955.40/1,082,842,433.10 = 334,474,466.40/x
  3. Step 3: Cross multiply
    721,894,955.40x = 1,082,842,433.10 × 334,474,466.40
  4. Step 4: Simplify right side
    721,894,955.40x = 362,183,145,006,400,128
  5. Step 5: Solve for x
    x = 362,183,145,006,400,128/721,894,955.40
  6. Step 6: Final answer
    x = 501,711,699.60

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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.