Home / 1,294,704,612.45-1,942,056,918.68-777,718,807.65

Finding the Fourth Proportional to 1,294,704,612.45, 1,942,056,918.68 and 777,718,807.65

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Solution

The fourth proportional to 1,294,704,612.45, 1,942,056,918.68 and 777,718,807.65 is: 1,166,578,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,704,612.45 : 1,942,056,918.68 = 777,718,807.65 : x
  2. Step 2: Convert to fraction form
    1,294,704,612.45/1,942,056,918.68 = 777,718,807.65/x
  3. Step 3: Cross multiply
    1,294,704,612.45x = 1,942,056,918.68 × 777,718,807.65
  4. Step 4: Simplify right side
    1,294,704,612.45x = 1,510,374,191,180,354,048
  5. Step 5: Solve for x
    x = 1,510,374,191,180,354,048/1,294,704,612.45
  6. Step 6: Final answer
    x = 1,166,578,211.48

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Double scale
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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.