Home / 1,553,757,900.80-2,329,965,004.80-777,103,462.40

Finding the Fourth Proportional to 1,553,757,900.80, 2,329,965,004.80 and 777,103,462.40

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Solution

The fourth proportional to 1,553,757,900.80, 2,329,965,004.80 and 777,103,462.40 is: 1,165,319,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,757,900.80 : 2,329,965,004.80 = 777,103,462.40 : x
  2. Step 2: Convert to fraction form
    1,553,757,900.80/2,329,965,004.80 = 777,103,462.40/x
  3. Step 3: Cross multiply
    1,553,757,900.80x = 2,329,965,004.80 × 777,103,462.40
  4. Step 4: Simplify right side
    1,553,757,900.80x = 1,810,623,872,500,912,640
  5. Step 5: Solve for x
    x = 1,810,623,872,500,912,640/1,553,757,900.80
  6. Step 6: Final answer
    x = 1,165,319,173.32

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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.