Home / 2,720,820,108.72-4,081,877,832.80-880,572,786

Finding the Fourth Proportional to 2,720,820,108.72, 4,081,877,832.80 and 880,572,786

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Solution

The fourth proportional to 2,720,820,108.72, 4,081,877,832.80 and 880,572,786 is: 1,321,068,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,820,108.72 : 4,081,877,832.80 = 880,572,786 : x
  2. Step 2: Convert to fraction form
    2,720,820,108.72/4,081,877,832.80 = 880,572,786/x
  3. Step 3: Cross multiply
    2,720,820,108.72x = 4,081,877,832.80 × 880,572,786
  4. Step 4: Simplify right side
    2,720,820,108.72x = 3,594,390,535,340,338,176
  5. Step 5: Solve for x
    x = 3,594,390,535,340,338,176/2,720,820,108.72
  6. Step 6: Final answer
    x = 1,321,068,792.39

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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.