Home / 931,175,961.40-1,396,260,057.30-385,972,607.80

Finding the Fourth Proportional to 931,175,961.40, 1,396,260,057.30 and 385,972,607.80

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Solution

The fourth proportional to 931,175,961.40, 1,396,260,057.30 and 385,972,607.80 is: 578,750,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,175,961.40 : 1,396,260,057.30 = 385,972,607.80 : x
  2. Step 2: Convert to fraction form
    931,175,961.40/1,396,260,057.30 = 385,972,607.80/x
  3. Step 3: Cross multiply
    931,175,961.40x = 1,396,260,057.30 × 385,972,607.80
  4. Step 4: Simplify right side
    931,175,961.40x = 538,918,135,483,058,432
  5. Step 5: Solve for x
    x = 538,918,135,483,058,432/931,175,961.40
  6. Step 6: Final answer
    x = 578,750,051.36

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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.