Home / 19,988,749,643.10-29,983,122,643.94-8,796,623,814.40

Finding the Fourth Proportional to 19,988,749,643.10, 29,983,122,643.94 and 8,796,623,814.40

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Solution

The fourth proportional to 19,988,749,643.10, 29,983,122,643.94 and 8,796,623,814.40 is: 13,194,934,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,749,643.10 : 29,983,122,643.94 = 8,796,623,814.40 : x
  2. Step 2: Convert to fraction form
    19,988,749,643.10/29,983,122,643.94 = 8,796,623,814.40/x
  3. Step 3: Cross multiply
    19,988,749,643.10x = 29,983,122,643.94 × 8,796,623,814.40
  4. Step 4: Simplify right side
    19,988,749,643.10x = 263,750,250,679,564,632,064
  5. Step 5: Solve for x
    x = 263,750,250,679,564,632,064/19,988,749,643.10
  6. Step 6: Final answer
    x = 13,194,934,920.34

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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.