Home / 19,988,749,642.59-29,983,122,643.19-8,796,623,813.90

Finding the Fourth Proportional to 19,988,749,642.59, 29,983,122,643.19 and 8,796,623,813.90

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Solution

The fourth proportional to 19,988,749,642.59, 29,983,122,643.19 and 8,796,623,813.90 is: 13,194,934,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,749,642.59 : 29,983,122,643.19 = 8,796,623,813.90 : x
  2. Step 2: Convert to fraction form
    19,988,749,642.59/29,983,122,643.19 = 8,796,623,813.90/x
  3. Step 3: Cross multiply
    19,988,749,642.59x = 29,983,122,643.19 × 8,796,623,813.90
  4. Step 4: Simplify right side
    19,988,749,642.59x = 263,750,250,657,975,599,104
  5. Step 5: Solve for x
    x = 263,750,250,657,975,599,104/19,988,749,642.59
  6. Step 6: Final answer
    x = 13,194,934,919.59

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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.