Home / 1,570,562,694.86-2,355,823,863.09-521,783,146.13

Finding the Fourth Proportional to 1,570,562,694.86, 2,355,823,863.09 and 521,783,146.13

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Solution

The fourth proportional to 1,570,562,694.86, 2,355,823,863.09 and 521,783,146.13 is: 782,668,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,562,694.86 : 2,355,823,863.09 = 521,783,146.13 : x
  2. Step 2: Convert to fraction form
    1,570,562,694.86/2,355,823,863.09 = 521,783,146.13/x
  3. Step 3: Cross multiply
    1,570,562,694.86x = 2,355,823,863.09 × 521,783,146.13
  4. Step 4: Simplify right side
    1,570,562,694.86x = 1,229,229,186,999,451,648
  5. Step 5: Solve for x
    x = 1,229,229,186,999,451,648/1,570,562,694.86
  6. Step 6: Final answer
    x = 782,668,015.12

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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.