Home / 317,680,933.80-476,017,515.90-209,849,586.60

Finding the Fourth Proportional to 317,680,933.80, 476,017,515.90 and 209,849,586.60

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Solution

The fourth proportional to 317,680,933.80, 476,017,515.90 and 209,849,586.60 is: 314,441,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,680,933.80 : 476,017,515.90 = 209,849,586.60 : x
  2. Step 2: Convert to fraction form
    317,680,933.80/476,017,515.90 = 209,849,586.60/x
  3. Step 3: Cross multiply
    317,680,933.80x = 476,017,515.90 × 209,849,586.60
  4. Step 4: Simplify right side
    317,680,933.80x = 99,892,078,925,973,920
  5. Step 5: Solve for x
    x = 99,892,078,925,973,920/317,680,933.80
  6. Step 6: Final answer
    x = 314,441,530.16

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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.