Home / 755,271,515.90-1,133,028,341.60-318,636,515.73

Finding the Fourth Proportional to 755,271,515.90, 1,133,028,341.60 and 318,636,515.73

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Solution

The fourth proportional to 755,271,515.90, 1,133,028,341.60 and 318,636,515.73 is: 478,005,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,271,515.90 : 1,133,028,341.60 = 318,636,515.73 : x
  2. Step 2: Convert to fraction form
    755,271,515.90/1,133,028,341.60 = 318,636,515.73/x
  3. Step 3: Cross multiply
    755,271,515.90x = 1,133,028,341.60 × 318,636,515.73
  4. Step 4: Simplify right side
    755,271,515.90x = 361,024,202,989,171,072
  5. Step 5: Solve for x
    x = 361,024,202,989,171,072/755,271,515.90
  6. Step 6: Final answer
    x = 478,005,850.07

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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.