Home / 378,312,215.40-567,492,263.40-159,921,846

Finding the Fourth Proportional to 378,312,215.40, 567,492,263.40 and 159,921,846

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Solution

The fourth proportional to 378,312,215.40, 567,492,263.40 and 159,921,846 is: 239,892,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,312,215.40 : 567,492,263.40 = 159,921,846 : x
  2. Step 2: Convert to fraction form
    378,312,215.40/567,492,263.40 = 159,921,846/x
  3. Step 3: Cross multiply
    378,312,215.40x = 567,492,263.40 × 159,921,846
  4. Step 4: Simplify right side
    378,312,215.40x = 90,754,410,353,646,240
  5. Step 5: Solve for x
    x = 90,754,410,353,646,240/378,312,215.40
  6. Step 6: Final answer
    x = 239,892,889.15

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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.