Home / 740,338,921.65-1,021,071,991.41-650,839,503.18

Finding the Fourth Proportional to 740,338,921.65, 1,021,071,991.41 and 650,839,503.18

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Solution

The fourth proportional to 740,338,921.65, 1,021,071,991.41 and 650,839,503.18 is: 897,634,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,338,921.65 : 1,021,071,991.41 = 650,839,503.18 : x
  2. Step 2: Convert to fraction form
    740,338,921.65/1,021,071,991.41 = 650,839,503.18/x
  3. Step 3: Cross multiply
    740,338,921.65x = 1,021,071,991.41 × 650,839,503.18
  4. Step 4: Simplify right side
    740,338,921.65x = 664,553,987,600,297,600
  5. Step 5: Solve for x
    x = 664,553,987,600,297,600/740,338,921.65
  6. Step 6: Final answer
    x = 897,634,810.44

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Double scale
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1.5x scale

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.