Home / 1,051,684,908.80-1,577,527,363.20-275,329,068.80

Finding the Fourth Proportional to 1,051,684,908.80, 1,577,527,363.20 and 275,329,068.80

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Solution

The fourth proportional to 1,051,684,908.80, 1,577,527,363.20 and 275,329,068.80 is: 412,993,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,684,908.80 : 1,577,527,363.20 = 275,329,068.80 : x
  2. Step 2: Convert to fraction form
    1,051,684,908.80/1,577,527,363.20 = 275,329,068.80/x
  3. Step 3: Cross multiply
    1,051,684,908.80x = 1,577,527,363.20 × 275,329,068.80
  4. Step 4: Simplify right side
    1,051,684,908.80x = 434,339,139,916,375,424
  5. Step 5: Solve for x
    x = 434,339,139,916,375,424/1,051,684,908.80
  6. Step 6: Final answer
    x = 412,993,603.20

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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.