Home / 736,100,865.61-1,015,802,845.05-406,075,917.13

Finding the Fourth Proportional to 736,100,865.61, 1,015,802,845.05 and 406,075,917.13

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Solution

The fourth proportional to 736,100,865.61, 1,015,802,845.05 and 406,075,917.13 is: 560,375,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,100,865.61 : 1,015,802,845.05 = 406,075,917.13 : x
  2. Step 2: Convert to fraction form
    736,100,865.61/1,015,802,845.05 = 406,075,917.13/x
  3. Step 3: Cross multiply
    736,100,865.61x = 1,015,802,845.05 × 406,075,917.13
  4. Step 4: Simplify right side
    736,100,865.61x = 412,493,071,926,942,016
  5. Step 5: Solve for x
    x = 412,493,071,926,942,016/736,100,865.61
  6. Step 6: Final answer
    x = 560,375,746.31

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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.