Home / 274,617,488.10-378,611,518.35-198,171,595.80

Finding the Fourth Proportional to 274,617,488.10, 378,611,518.35 and 198,171,595.80

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Solution

The fourth proportional to 274,617,488.10, 378,611,518.35 and 198,171,595.80 is: 273,216,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,488.10 : 378,611,518.35 = 198,171,595.80 : x
  2. Step 2: Convert to fraction form
    274,617,488.10/378,611,518.35 = 198,171,595.80/x
  3. Step 3: Cross multiply
    274,617,488.10x = 378,611,518.35 × 198,171,595.80
  4. Step 4: Simplify right side
    274,617,488.10x = 75,030,048,779,680,496
  5. Step 5: Solve for x
    x = 75,030,048,779,680,496/274,617,488.10
  6. Step 6: Final answer
    x = 273,216,572.25

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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.