Home / 456,071,021.40-629,378,849.52-247,226,518.20

Finding the Fourth Proportional to 456,071,021.40, 629,378,849.52 and 247,226,518.20

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Solution

The fourth proportional to 456,071,021.40, 629,378,849.52 and 247,226,518.20 is: 341,173,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,071,021.40 : 629,378,849.52 = 247,226,518.20 : x
  2. Step 2: Convert to fraction form
    456,071,021.40/629,378,849.52 = 247,226,518.20/x
  3. Step 3: Cross multiply
    456,071,021.40x = 629,378,849.52 × 247,226,518.20
  4. Step 4: Simplify right side
    456,071,021.40x = 155,599,141,595,551,328
  5. Step 5: Solve for x
    x = 155,599,141,595,551,328/456,071,021.40
  6. Step 6: Final answer
    x = 341,173,050.46

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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.