Home / 351,771,262.40-527,656,893.60-261,071,998.40

Finding the Fourth Proportional to 351,771,262.40, 527,656,893.60 and 261,071,998.40

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Solution

The fourth proportional to 351,771,262.40, 527,656,893.60 and 261,071,998.40 is: 391,607,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,771,262.40 : 527,656,893.60 = 261,071,998.40 : x
  2. Step 2: Convert to fraction form
    351,771,262.40/527,656,893.60 = 261,071,998.40/x
  3. Step 3: Cross multiply
    351,771,262.40x = 527,656,893.60 × 261,071,998.40
  4. Step 4: Simplify right side
    351,771,262.40x = 137,756,439,681,688,176
  5. Step 5: Solve for x
    x = 137,756,439,681,688,176/351,771,262.40
  6. Step 6: Final answer
    x = 391,607,997.60

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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.