Home / 648,419,352.84-894,817,421.64-351,061,513.92

Finding the Fourth Proportional to 648,419,352.84, 894,817,421.64 and 351,061,513.92

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Solution

The fourth proportional to 648,419,352.84, 894,817,421.64 and 351,061,513.92 is: 484,464,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,419,352.84 : 894,817,421.64 = 351,061,513.92 : x
  2. Step 2: Convert to fraction form
    648,419,352.84/894,817,421.64 = 351,061,513.92/x
  3. Step 3: Cross multiply
    648,419,352.84x = 894,817,421.64 × 351,061,513.92
  4. Step 4: Simplify right side
    648,419,352.84x = 314,135,958,722,929,408
  5. Step 5: Solve for x
    x = 314,135,958,722,929,408/648,419,352.84
  6. Step 6: Final answer
    x = 484,464,193.35

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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.