Home / 930,875,950.80-1,396,201,951.80-385,560,622.80

Finding the Fourth Proportional to 930,875,950.80, 1,396,201,951.80 and 385,560,622.80

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Solution

The fourth proportional to 930,875,950.80, 1,396,201,951.80 and 385,560,622.80 is: 578,294,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875,950.80 : 1,396,201,951.80 = 385,560,622.80 : x
  2. Step 2: Convert to fraction form
    930,875,950.80/1,396,201,951.80 = 385,560,622.80/x
  3. Step 3: Cross multiply
    930,875,950.80x = 1,396,201,951.80 × 385,560,622.80
  4. Step 4: Simplify right side
    930,875,950.80x = 538,320,494,090,583,552
  5. Step 5: Solve for x
    x = 538,320,494,090,583,552/930,875,950.80
  6. Step 6: Final answer
    x = 578,294,555.39

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1.5x scale

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.