Home / 900,393,384.08-1,350,347,089.08-318,050,966.72

Finding the Fourth Proportional to 900,393,384.08, 1,350,347,089.08 and 318,050,966.72

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Solution

The fourth proportional to 900,393,384.08, 1,350,347,089.08 and 318,050,966.72 is: 476,990,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,393,384.08 : 1,350,347,089.08 = 318,050,966.72 : x
  2. Step 2: Convert to fraction form
    900,393,384.08/1,350,347,089.08 = 318,050,966.72/x
  3. Step 3: Cross multiply
    900,393,384.08x = 1,350,347,089.08 × 318,050,966.72
  4. Step 4: Simplify right side
    900,393,384.08x = 429,479,197,089,432,000
  5. Step 5: Solve for x
    x = 429,479,197,089,432,000/900,393,384.08
  6. Step 6: Final answer
    x = 476,990,618.42

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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.