Home / 920,700,132.26-1,270,566,692.32-497,313,791.54

Finding the Fourth Proportional to 920,700,132.26, 1,270,566,692.32 and 497,313,791.54

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Solution

The fourth proportional to 920,700,132.26, 1,270,566,692.32 and 497,313,791.54 is: 686,293,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,700,132.26 : 1,270,566,692.32 = 497,313,791.54 : x
  2. Step 2: Convert to fraction form
    920,700,132.26/1,270,566,692.32 = 497,313,791.54/x
  3. Step 3: Cross multiply
    920,700,132.26x = 1,270,566,692.32 × 497,313,791.54
  4. Step 4: Simplify right side
    920,700,132.26x = 631,870,339,162,095,744
  5. Step 5: Solve for x
    x = 631,870,339,162,095,744/920,700,132.26
  6. Step 6: Final answer
    x = 686,293,307.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.