Home / 448,005,813.92-618,051,891.31-427,234,930.16

Finding the Fourth Proportional to 448,005,813.92, 618,051,891.31 and 427,234,930.16

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Solution

The fourth proportional to 448,005,813.92, 618,051,891.31 and 427,234,930.16 is: 589,397,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,005,813.92 : 618,051,891.31 = 427,234,930.16 : x
  2. Step 2: Convert to fraction form
    448,005,813.92/618,051,891.31 = 427,234,930.16/x
  3. Step 3: Cross multiply
    448,005,813.92x = 618,051,891.31 × 427,234,930.16
  4. Step 4: Simplify right side
    448,005,813.92x = 264,053,356,620,804,192
  5. Step 5: Solve for x
    x = 264,053,356,620,804,192/448,005,813.92
  6. Step 6: Final answer
    x = 589,397,164.98

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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.