Home / 855,264,466.08-1,283,085,655.92-309,991,828.32

Finding the Fourth Proportional to 855,264,466.08, 1,283,085,655.92 and 309,991,828.32

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Solution

The fourth proportional to 855,264,466.08, 1,283,085,655.92 and 309,991,828.32 is: 465,056,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,264,466.08 : 1,283,085,655.92 = 309,991,828.32 : x
  2. Step 2: Convert to fraction form
    855,264,466.08/1,283,085,655.92 = 309,991,828.32/x
  3. Step 3: Cross multiply
    855,264,466.08x = 1,283,085,655.92 × 309,991,828.32
  4. Step 4: Simplify right side
    855,264,466.08x = 397,746,068,369,807,232
  5. Step 5: Solve for x
    x = 397,746,068,369,807,232/855,264,466.08
  6. Step 6: Final answer
    x = 465,056,230.14

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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.