Home / 931,175,962.40-1,396,260,058.80-385,972,608.80

Finding the Fourth Proportional to 931,175,962.40, 1,396,260,058.80 and 385,972,608.80

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Solution

The fourth proportional to 931,175,962.40, 1,396,260,058.80 and 385,972,608.80 is: 578,750,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,175,962.40 : 1,396,260,058.80 = 385,972,608.80 : x
  2. Step 2: Convert to fraction form
    931,175,962.40/1,396,260,058.80 = 385,972,608.80/x
  3. Step 3: Cross multiply
    931,175,962.40x = 1,396,260,058.80 × 385,972,608.80
  4. Step 4: Simplify right side
    931,175,962.40x = 538,918,137,458,277,376
  5. Step 5: Solve for x
    x = 538,918,137,458,277,376/931,175,962.40
  6. Step 6: Final answer
    x = 578,750,052.86

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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.