Home / 699,302,852.29-965,033,026.89-381,763,098.16

Finding the Fourth Proportional to 699,302,852.29, 965,033,026.89 and 381,763,098.16

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Solution

The fourth proportional to 699,302,852.29, 965,033,026.89 and 381,763,098.16 is: 526,830,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,302,852.29 : 965,033,026.89 = 381,763,098.16 : x
  2. Step 2: Convert to fraction form
    699,302,852.29/965,033,026.89 = 381,763,098.16/x
  3. Step 3: Cross multiply
    699,302,852.29x = 965,033,026.89 × 381,763,098.16
  4. Step 4: Simplify right side
    699,302,852.29x = 368,413,998,172,249,024
  5. Step 5: Solve for x
    x = 368,413,998,172,249,024/699,302,852.29
  6. Step 6: Final answer
    x = 526,830,395.39

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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.