Home / 19,989,043,774.05-29,983,262,991.54-4,862,755,591.63

Finding the Fourth Proportional to 19,989,043,774.05, 29,983,262,991.54 and 4,862,755,591.63

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Solution

The fourth proportional to 19,989,043,774.05, 29,983,262,991.54 and 4,862,755,591.63 is: 7,294,059,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,043,774.05 : 29,983,262,991.54 = 4,862,755,591.63 : x
  2. Step 2: Convert to fraction form
    19,989,043,774.05/29,983,262,991.54 = 4,862,755,591.63/x
  3. Step 3: Cross multiply
    19,989,043,774.05x = 29,983,262,991.54 × 4,862,755,591.63
  4. Step 4: Simplify right side
    19,989,043,774.05x = 145,801,279,767,423,991,808
  5. Step 5: Solve for x
    x = 145,801,279,767,423,991,808/19,989,043,774.05
  6. Step 6: Final answer
    x = 7,294,059,756.71

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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.