Home / 449,973,116.80-674,959,675.20-313,812,246.40

Finding the Fourth Proportional to 449,973,116.80, 674,959,675.20 and 313,812,246.40

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Solution

The fourth proportional to 449,973,116.80, 674,959,675.20 and 313,812,246.40 is: 470,718,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,973,116.80 : 674,959,675.20 = 313,812,246.40 : x
  2. Step 2: Convert to fraction form
    449,973,116.80/674,959,675.20 = 313,812,246.40/x
  3. Step 3: Cross multiply
    449,973,116.80x = 674,959,675.20 × 313,812,246.40
  4. Step 4: Simplify right side
    449,973,116.80x = 211,810,611,903,926,368
  5. Step 5: Solve for x
    x = 211,810,611,903,926,368/449,973,116.80
  6. Step 6: Final answer
    x = 470,718,369.60

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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.