Home / 8,275,858,085.80-12,413,787,128.70-7,377,935,372.20

Finding the Fourth Proportional to 8,275,858,085.80, 12,413,787,128.70 and 7,377,935,372.20

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Solution

The fourth proportional to 8,275,858,085.80, 12,413,787,128.70 and 7,377,935,372.20 is: 11,066,903,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,858,085.80 : 12,413,787,128.70 = 7,377,935,372.20 : x
  2. Step 2: Convert to fraction form
    8,275,858,085.80/12,413,787,128.70 = 7,377,935,372.20/x
  3. Step 3: Cross multiply
    8,275,858,085.80x = 12,413,787,128.70 × 7,377,935,372.20
  4. Step 4: Simplify right side
    8,275,858,085.80x = 91,588,119,159,796,809,728
  5. Step 5: Solve for x
    x = 91,588,119,159,796,809,728/8,275,858,085.80
  6. Step 6: Final answer
    x = 11,066,903,058.30

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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.