Home / 1,440,365,391.04-2,160,297,718.80-404,980,542.16

Finding the Fourth Proportional to 1,440,365,391.04, 2,160,297,718.80 and 404,980,542.16

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Solution

The fourth proportional to 1,440,365,391.04, 2,160,297,718.80 and 404,980,542.16 is: 607,400,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,365,391.04 : 2,160,297,718.80 = 404,980,542.16 : x
  2. Step 2: Convert to fraction form
    1,440,365,391.04/2,160,297,718.80 = 404,980,542.16/x
  3. Step 3: Cross multiply
    1,440,365,391.04x = 2,160,297,718.80 × 404,980,542.16
  4. Step 4: Simplify right side
    1,440,365,391.04x = 874,878,541,386,635,392
  5. Step 5: Solve for x
    x = 874,878,541,386,635,392/1,440,365,391.04
  6. Step 6: Final answer
    x = 607,400,418.55

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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.