Home / 689,544,419.22-951,563,459.52-376,283,962.98

Finding the Fourth Proportional to 689,544,419.22, 951,563,459.52 and 376,283,962.98

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Solution

The fourth proportional to 689,544,419.22, 951,563,459.52 and 376,283,962.98 is: 519,267,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,544,419.22 : 951,563,459.52 = 376,283,962.98 : x
  2. Step 2: Convert to fraction form
    689,544,419.22/951,563,459.52 = 376,283,962.98/x
  3. Step 3: Cross multiply
    689,544,419.22x = 951,563,459.52 × 376,283,962.98
  4. Step 4: Simplify right side
    689,544,419.22x = 358,058,069,575,144,448
  5. Step 5: Solve for x
    x = 358,058,069,575,144,448/689,544,419.22
  6. Step 6: Final answer
    x = 519,267,591.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.