Home / 19,989,043,772.80-29,983,262,989.67-4,862,755,590.38

Finding the Fourth Proportional to 19,989,043,772.80, 29,983,262,989.67 and 4,862,755,590.38

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Solution

The fourth proportional to 19,989,043,772.80, 29,983,262,989.67 and 4,862,755,590.38 is: 7,294,059,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,043,772.80 : 29,983,262,989.67 = 4,862,755,590.38 : x
  2. Step 2: Convert to fraction form
    19,989,043,772.80/29,983,262,989.67 = 4,862,755,590.38/x
  3. Step 3: Cross multiply
    19,989,043,772.80x = 29,983,262,989.67 × 4,862,755,590.38
  4. Step 4: Simplify right side
    19,989,043,772.80x = 145,801,279,720,827,240,448
  5. Step 5: Solve for x
    x = 145,801,279,720,827,240,448/19,989,043,772.80
  6. Step 6: Final answer
    x = 7,294,059,754.84

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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.