Home / 260,496,579.30-390,744,868.95-163,561,740.90

Finding the Fourth Proportional to 260,496,579.30, 390,744,868.95 and 163,561,740.90

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Solution

The fourth proportional to 260,496,579.30, 390,744,868.95 and 163,561,740.90 is: 245,342,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,496,579.30 : 390,744,868.95 = 163,561,740.90 : x
  2. Step 2: Convert to fraction form
    260,496,579.30/390,744,868.95 = 163,561,740.90/x
  3. Step 3: Cross multiply
    260,496,579.30x = 390,744,868.95 × 163,561,740.90
  4. Step 4: Simplify right side
    260,496,579.30x = 63,910,911,013,204,352
  5. Step 5: Solve for x
    x = 63,910,911,013,204,352/260,496,579.30
  6. Step 6: Final answer
    x = 245,342,611.35

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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.