Home / 736,100,863.86-1,015,802,842.63-406,075,915.38

Finding the Fourth Proportional to 736,100,863.86, 1,015,802,842.63 and 406,075,915.38

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Solution

The fourth proportional to 736,100,863.86, 1,015,802,842.63 and 406,075,915.38 is: 560,375,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,100,863.86 : 1,015,802,842.63 = 406,075,915.38 : x
  2. Step 2: Convert to fraction form
    736,100,863.86/1,015,802,842.63 = 406,075,915.38/x
  3. Step 3: Cross multiply
    736,100,863.86x = 1,015,802,842.63 × 406,075,915.38
  4. Step 4: Simplify right side
    736,100,863.86x = 412,493,069,166,583,360
  5. Step 5: Solve for x
    x = 412,493,069,166,583,360/736,100,863.86
  6. Step 6: Final answer
    x = 560,375,743.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.