Home / 699,384,071.19-965,585,590.92-445,208,842.77

Finding the Fourth Proportional to 699,384,071.19, 965,585,590.92 and 445,208,842.77

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Solution

The fourth proportional to 699,384,071.19, 965,585,590.92 and 445,208,842.77 is: 614,665,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,071.19 : 965,585,590.92 = 445,208,842.77 : x
  2. Step 2: Convert to fraction form
    699,384,071.19/965,585,590.92 = 445,208,842.77/x
  3. Step 3: Cross multiply
    699,384,071.19x = 965,585,590.92 × 445,208,842.77
  4. Step 4: Simplify right side
    699,384,071.19x = 429,887,243,528,879,808
  5. Step 5: Solve for x
    x = 429,887,243,528,879,808/699,384,071.19
  6. Step 6: Final answer
    x = 614,665,476.72

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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.