Home / 699,384,095.42-965,585,624.37-445,208,867.06

Finding the Fourth Proportional to 699,384,095.42, 965,585,624.37 and 445,208,867.06

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Solution

The fourth proportional to 699,384,095.42, 965,585,624.37 and 445,208,867.06 is: 614,665,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,095.42 : 965,585,624.37 = 445,208,867.06 : x
  2. Step 2: Convert to fraction form
    699,384,095.42/965,585,624.37 = 445,208,867.06/x
  3. Step 3: Cross multiply
    699,384,095.42x = 965,585,624.37 × 445,208,867.06
  4. Step 4: Simplify right side
    699,384,095.42x = 429,887,281,875,190,400
  5. Step 5: Solve for x
    x = 429,887,281,875,190,400/699,384,095.42
  6. Step 6: Final answer
    x = 614,665,510.25

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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.