Home / 416,020,948.80-624,031,423.20-313,228,449.60

Finding the Fourth Proportional to 416,020,948.80, 624,031,423.20 and 313,228,449.60

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Solution

The fourth proportional to 416,020,948.80, 624,031,423.20 and 313,228,449.60 is: 469,842,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,020,948.80 : 624,031,423.20 = 313,228,449.60 : x
  2. Step 2: Convert to fraction form
    416,020,948.80/624,031,423.20 = 313,228,449.60/x
  3. Step 3: Cross multiply
    416,020,948.80x = 624,031,423.20 × 313,228,449.60
  4. Step 4: Simplify right side
    416,020,948.80x = 195,464,395,190,617,504
  5. Step 5: Solve for x
    x = 195,464,395,190,617,504/416,020,948.80
  6. Step 6: Final answer
    x = 469,842,674.40

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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.