Home / 20,803,214,393.70-31,204,821,590.55-13,364,741,004.90

Finding the Fourth Proportional to 20,803,214,393.70, 31,204,821,590.55 and 13,364,741,004.90

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Solution

The fourth proportional to 20,803,214,393.70, 31,204,821,590.55 and 13,364,741,004.90 is: 20,047,111,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,214,393.70 : 31,204,821,590.55 = 13,364,741,004.90 : x
  2. Step 2: Convert to fraction form
    20,803,214,393.70/31,204,821,590.55 = 13,364,741,004.90/x
  3. Step 3: Cross multiply
    20,803,214,393.70x = 31,204,821,590.55 × 13,364,741,004.90
  4. Step 4: Simplify right side
    20,803,214,393.70x = 417,044,358,661,812,387,840
  5. Step 5: Solve for x
    x = 417,044,358,661,812,387,840/20,803,214,393.70
  6. Step 6: Final answer
    x = 20,047,111,507.35

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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.