Home / 996,530,718.85-1,494,790,640.85-406,318,642.81

Finding the Fourth Proportional to 996,530,718.85, 1,494,790,640.85 and 406,318,642.81

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Solution

The fourth proportional to 996,530,718.85, 1,494,790,640.85 and 406,318,642.81 is: 609,475,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,530,718.85 : 1,494,790,640.85 = 406,318,642.81 : x
  2. Step 2: Convert to fraction form
    996,530,718.85/1,494,790,640.85 = 406,318,642.81/x
  3. Step 3: Cross multiply
    996,530,718.85x = 1,494,790,640.85 × 406,318,642.81
  4. Step 4: Simplify right side
    996,530,718.85x = 607,361,304,475,262,080
  5. Step 5: Solve for x
    x = 607,361,304,475,262,080/996,530,718.85
  6. Step 6: Final answer
    x = 609,475,747.20

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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.