Home / 448,437,631.32-672,333,616.56-275,557,264.20

Finding the Fourth Proportional to 448,437,631.32, 672,333,616.56 and 275,557,264.20

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Solution

The fourth proportional to 448,437,631.32, 672,333,616.56 and 275,557,264.20 is: 413,137,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,437,631.32 : 672,333,616.56 = 275,557,264.20 : x
  2. Step 2: Convert to fraction form
    448,437,631.32/672,333,616.56 = 275,557,264.20/x
  3. Step 3: Cross multiply
    448,437,631.32x = 672,333,616.56 × 275,557,264.20
  4. Step 4: Simplify right side
    448,437,631.32x = 185,266,412,008,965,376
  5. Step 5: Solve for x
    x = 185,266,412,008,965,376/448,437,631.32
  6. Step 6: Final answer
    x = 413,137,522.52

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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.