Home / 690,965,019-1,036,447,528.50-230,903,188.31

Finding the Fourth Proportional to 690,965,019, 1,036,447,528.50 and 230,903,188.31

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Solution

The fourth proportional to 690,965,019, 1,036,447,528.50 and 230,903,188.31 is: 346,354,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,965,019 : 1,036,447,528.50 = 230,903,188.31 : x
  2. Step 2: Convert to fraction form
    690,965,019/1,036,447,528.50 = 230,903,188.31/x
  3. Step 3: Cross multiply
    690,965,019x = 1,036,447,528.50 × 230,903,188.31
  4. Step 4: Simplify right side
    690,965,019x = 239,319,038,849,260,704
  5. Step 5: Solve for x
    x = 239,319,038,849,260,704/690,965,019
  6. Step 6: Final answer
    x = 346,354,782.47

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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.