Home / 1,328,714,813.79-1,993,072,920.53-346,138,753.95

Finding the Fourth Proportional to 1,328,714,813.79, 1,993,072,920.53 and 346,138,753.95

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Solution

The fourth proportional to 1,328,714,813.79, 1,993,072,920.53 and 346,138,753.95 is: 519,208,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,714,813.79 : 1,993,072,920.53 = 346,138,753.95 : x
  2. Step 2: Convert to fraction form
    1,328,714,813.79/1,993,072,920.53 = 346,138,753.95/x
  3. Step 3: Cross multiply
    1,328,714,813.79x = 1,993,072,920.53 × 346,138,753.95
  4. Step 4: Simplify right side
    1,328,714,813.79x = 689,879,777,242,010,880
  5. Step 5: Solve for x
    x = 689,879,777,242,010,880/1,328,714,813.79
  6. Step 6: Final answer
    x = 519,208,313.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.