Home / 755,271,522.64-1,133,028,351.72-318,636,522.48

Finding the Fourth Proportional to 755,271,522.64, 1,133,028,351.72 and 318,636,522.48

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Solution

The fourth proportional to 755,271,522.64, 1,133,028,351.72 and 318,636,522.48 is: 478,005,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,271,522.64 : 1,133,028,351.72 = 318,636,522.48 : x
  2. Step 2: Convert to fraction form
    755,271,522.64/1,133,028,351.72 = 318,636,522.48/x
  3. Step 3: Cross multiply
    755,271,522.64x = 1,133,028,351.72 × 318,636,522.48
  4. Step 4: Simplify right side
    755,271,522.64x = 361,024,213,863,307,136
  5. Step 5: Solve for x
    x = 361,024,213,863,307,136/755,271,522.64
  6. Step 6: Final answer
    x = 478,005,860.20

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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.