Home / 891,728,477.20-1,337,114,418.90-373,573,502.20

Finding the Fourth Proportional to 891,728,477.20, 1,337,114,418.90 and 373,573,502.20

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Solution

The fourth proportional to 891,728,477.20, 1,337,114,418.90 and 373,573,502.20 is: 560,159,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,728,477.20 : 1,337,114,418.90 = 373,573,502.20 : x
  2. Step 2: Convert to fraction form
    891,728,477.20/1,337,114,418.90 = 373,573,502.20/x
  3. Step 3: Cross multiply
    891,728,477.20x = 1,337,114,418.90 × 373,573,502.20
  4. Step 4: Simplify right side
    891,728,477.20x = 499,510,516,310,590,912
  5. Step 5: Solve for x
    x = 499,510,516,310,590,912/891,728,477.20
  6. Step 6: Final answer
    x = 560,159,879.47

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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.