Home / 1,311,637,651.34-1,967,801,560.70-471,365,283.80

Finding the Fourth Proportional to 1,311,637,651.34, 1,967,801,560.70 and 471,365,283.80

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Solution

The fourth proportional to 1,311,637,651.34, 1,967,801,560.70 and 471,365,283.80 is: 707,171,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,637,651.34 : 1,967,801,560.70 = 471,365,283.80 : x
  2. Step 2: Convert to fraction form
    1,311,637,651.34/1,967,801,560.70 = 471,365,283.80/x
  3. Step 3: Cross multiply
    1,311,637,651.34x = 1,967,801,560.70 × 471,365,283.80
  4. Step 4: Simplify right side
    1,311,637,651.34x = 927,553,341,124,001,152
  5. Step 5: Solve for x
    x = 927,553,341,124,001,152/1,311,637,651.34
  6. Step 6: Final answer
    x = 707,171,938.97

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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.