Home / 699,384,060.11-965,585,575.58-445,208,831.68

Finding the Fourth Proportional to 699,384,060.11, 965,585,575.58 and 445,208,831.68

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Solution

The fourth proportional to 699,384,060.11, 965,585,575.58 and 445,208,831.68 is: 614,665,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,060.11 : 965,585,575.58 = 445,208,831.68 : x
  2. Step 2: Convert to fraction form
    699,384,060.11/965,585,575.58 = 445,208,831.68/x
  3. Step 3: Cross multiply
    699,384,060.11x = 965,585,575.58 × 445,208,831.68
  4. Step 4: Simplify right side
    699,384,060.11x = 429,887,225,989,731,200
  5. Step 5: Solve for x
    x = 429,887,225,989,731,200/699,384,060.11
  6. Step 6: Final answer
    x = 614,665,461.38

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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.