Home / 944,247,561.90-1,303,062,890.70-520,851,672.42

Finding the Fourth Proportional to 944,247,561.90, 1,303,062,890.70 and 520,851,672.42

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Solution

The fourth proportional to 944,247,561.90, 1,303,062,890.70 and 520,851,672.42 is: 718,776,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,247,561.90 : 1,303,062,890.70 = 520,851,672.42 : x
  2. Step 2: Convert to fraction form
    944,247,561.90/1,303,062,890.70 = 520,851,672.42/x
  3. Step 3: Cross multiply
    944,247,561.90x = 1,303,062,890.70 × 520,851,672.42
  4. Step 4: Simplify right side
    944,247,561.90x = 678,702,485,889,534,720
  5. Step 5: Solve for x
    x = 678,702,485,889,534,720/944,247,561.90
  6. Step 6: Final answer
    x = 718,776,000.36

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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.