Home / 39,453,949,748.87-54,452,345,821.89-31,058,946,332.99

Finding the Fourth Proportional to 39,453,949,748.87, 54,452,345,821.89 and 31,058,946,332.99

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Solution

The fourth proportional to 39,453,949,748.87, 54,452,345,821.89 and 31,058,946,332.99 is: 42,865,986,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453,949,748.87 : 54,452,345,821.89 = 31,058,946,332.99 : x
  2. Step 2: Convert to fraction form
    39,453,949,748.87/54,452,345,821.89 = 31,058,946,332.99/x
  3. Step 3: Cross multiply
    39,453,949,748.87x = 54,452,345,821.89 × 31,058,946,332.99
  4. Step 4: Simplify right side
    39,453,949,748.87x = 1,691,232,486,587,369,783,296
  5. Step 5: Solve for x
    x = 1,691,232,486,587,369,783,296/39,453,949,748.87
  6. Step 6: Final answer
    x = 42,865,986,735.23

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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.