Home / 1,012,320,205.80-1,518,480,308.70-322,297,211.40

Finding the Fourth Proportional to 1,012,320,205.80, 1,518,480,308.70 and 322,297,211.40

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Solution

The fourth proportional to 1,012,320,205.80, 1,518,480,308.70 and 322,297,211.40 is: 483,445,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,320,205.80 : 1,518,480,308.70 = 322,297,211.40 : x
  2. Step 2: Convert to fraction form
    1,012,320,205.80/1,518,480,308.70 = 322,297,211.40/x
  3. Step 3: Cross multiply
    1,012,320,205.80x = 1,518,480,308.70 × 322,297,211.40
  4. Step 4: Simplify right side
    1,012,320,205.80x = 489,401,969,059,821,120
  5. Step 5: Solve for x
    x = 489,401,969,059,821,120/1,012,320,205.80
  6. Step 6: Final answer
    x = 483,445,817.10

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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.