Home / 784,284,400.80-1,176,426,601.20-376,137,712.80

Finding the Fourth Proportional to 784,284,400.80, 1,176,426,601.20 and 376,137,712.80

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Solution

The fourth proportional to 784,284,400.80, 1,176,426,601.20 and 376,137,712.80 is: 564,206,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,284,400.80 : 1,176,426,601.20 = 376,137,712.80 : x
  2. Step 2: Convert to fraction form
    784,284,400.80/1,176,426,601.20 = 376,137,712.80/x
  3. Step 3: Cross multiply
    784,284,400.80x = 1,176,426,601.20 × 376,137,712.80
  4. Step 4: Simplify right side
    784,284,400.80x = 442,498,411,052,445,760
  5. Step 5: Solve for x
    x = 442,498,411,052,445,760/784,284,400.80
  6. Step 6: Final answer
    x = 564,206,569.20

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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.