Home / 1,201,999,143.52-1,660,314,814.50-993,995,498.08

Finding the Fourth Proportional to 1,201,999,143.52, 1,660,314,814.50 and 993,995,498.08

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Solution

The fourth proportional to 1,201,999,143.52, 1,660,314,814.50 and 993,995,498.08 is: 1,373,000,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,999,143.52 : 1,660,314,814.50 = 993,995,498.08 : x
  2. Step 2: Convert to fraction form
    1,201,999,143.52/1,660,314,814.50 = 993,995,498.08/x
  3. Step 3: Cross multiply
    1,201,999,143.52x = 1,660,314,814.50 × 993,995,498.08
  4. Step 4: Simplify right side
    1,201,999,143.52x = 1,650,345,451,008,530,432
  5. Step 5: Solve for x
    x = 1,650,345,451,008,530,432/1,201,999,143.52
  6. Step 6: Final answer
    x = 1,373,000,521.59

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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.