Home / 873,690,707.49-1,310,540,960.37-291,423,354.56

Finding the Fourth Proportional to 873,690,707.49, 1,310,540,960.37 and 291,423,354.56

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Solution

The fourth proportional to 873,690,707.49, 1,310,540,960.37 and 291,423,354.56 is: 437,136,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,690,707.49 : 1,310,540,960.37 = 291,423,354.56 : x
  2. Step 2: Convert to fraction form
    873,690,707.49/1,310,540,960.37 = 291,423,354.56/x
  3. Step 3: Cross multiply
    873,690,707.49x = 1,310,540,960.37 × 291,423,354.56
  4. Step 4: Simplify right side
    873,690,707.49x = 381,922,242,952,756,672
  5. Step 5: Solve for x
    x = 381,922,242,952,756,672/873,690,707.49
  6. Step 6: Final answer
    x = 437,136,665.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.