Home / 574,957,075.20-862,435,612.80-211,376,198.40

Finding the Fourth Proportional to 574,957,075.20, 862,435,612.80 and 211,376,198.40

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Solution

The fourth proportional to 574,957,075.20, 862,435,612.80 and 211,376,198.40 is: 317,064,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,957,075.20 : 862,435,612.80 = 211,376,198.40 : x
  2. Step 2: Convert to fraction form
    574,957,075.20/862,435,612.80 = 211,376,198.40/x
  3. Step 3: Cross multiply
    574,957,075.20x = 862,435,612.80 × 211,376,198.40
  4. Step 4: Simplify right side
    574,957,075.20x = 182,298,361,198,438,368
  5. Step 5: Solve for x
    x = 182,298,361,198,438,368/574,957,075.20
  6. Step 6: Final answer
    x = 317,064,297.60

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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.