Home / 698,373,066.88-963,733,742.40-385,107,126.40

Finding the Fourth Proportional to 698,373,066.88, 963,733,742.40 and 385,107,126.40

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Solution

The fourth proportional to 698,373,066.88, 963,733,742.40 and 385,107,126.40 is: 531,436,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,373,066.88 : 963,733,742.40 = 385,107,126.40 : x
  2. Step 2: Convert to fraction form
    698,373,066.88/963,733,742.40 = 385,107,126.40/x
  3. Step 3: Cross multiply
    698,373,066.88x = 963,733,742.40 × 385,107,126.40
  4. Step 4: Simplify right side
    698,373,066.88x = 371,140,732,150,381,824
  5. Step 5: Solve for x
    x = 371,140,732,150,381,824/698,373,066.88
  6. Step 6: Final answer
    x = 531,436,204.73

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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.