Home / 257,671,357.20-386,507,035.80-229,453,808.40

Finding the Fourth Proportional to 257,671,357.20, 386,507,035.80 and 229,453,808.40

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Solution

The fourth proportional to 257,671,357.20, 386,507,035.80 and 229,453,808.40 is: 344,180,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,671,357.20 : 386,507,035.80 = 229,453,808.40 : x
  2. Step 2: Convert to fraction form
    257,671,357.20/386,507,035.80 = 229,453,808.40/x
  3. Step 3: Cross multiply
    257,671,357.20x = 386,507,035.80 × 229,453,808.40
  4. Step 4: Simplify right side
    257,671,357.20x = 88,685,511,337,705,152
  5. Step 5: Solve for x
    x = 88,685,511,337,705,152/257,671,357.20
  6. Step 6: Final answer
    x = 344,180,712.60

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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.