Home / 443,611,007.19-612,142,106.90-245,368,235.70

Finding the Fourth Proportional to 443,611,007.19, 612,142,106.90 and 245,368,235.70

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Solution

The fourth proportional to 443,611,007.19, 612,142,106.90 and 245,368,235.70 is: 338,585,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,611,007.19 : 612,142,106.90 = 245,368,235.70 : x
  2. Step 2: Convert to fraction form
    443,611,007.19/612,142,106.90 = 245,368,235.70/x
  3. Step 3: Cross multiply
    443,611,007.19x = 612,142,106.90 × 245,368,235.70
  4. Step 4: Simplify right side
    443,611,007.19x = 150,200,228,766,506,944
  5. Step 5: Solve for x
    x = 150,200,228,766,506,944/443,611,007.19
  6. Step 6: Final answer
    x = 338,585,441.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.