Home / 2,109,138,563.96-3,161,493,215.09-709,636,965.91

Finding the Fourth Proportional to 2,109,138,563.96, 3,161,493,215.09 and 709,636,965.91

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Solution

The fourth proportional to 2,109,138,563.96, 3,161,493,215.09 and 709,636,965.91 is: 1,063,710,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,138,563.96 : 3,161,493,215.09 = 709,636,965.91 : x
  2. Step 2: Convert to fraction form
    2,109,138,563.96/3,161,493,215.09 = 709,636,965.91/x
  3. Step 3: Cross multiply
    2,109,138,563.96x = 3,161,493,215.09 × 709,636,965.91
  4. Step 4: Simplify right side
    2,109,138,563.96x = 2,243,512,452,901,518,592
  5. Step 5: Solve for x
    x = 2,243,512,452,901,518,592/2,109,138,563.96
  6. Step 6: Final answer
    x = 1,063,710,318.15

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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.