Home / 20,803,214,319.20-31,204,821,478.80-13,364,740,930.40

Finding the Fourth Proportional to 20,803,214,319.20, 31,204,821,478.80 and 13,364,740,930.40

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Solution

The fourth proportional to 20,803,214,319.20, 31,204,821,478.80 and 13,364,740,930.40 is: 20,047,111,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,214,319.20 : 31,204,821,478.80 = 13,364,740,930.40 : x
  2. Step 2: Convert to fraction form
    20,803,214,319.20/31,204,821,478.80 = 13,364,740,930.40/x
  3. Step 3: Cross multiply
    20,803,214,319.20x = 31,204,821,478.80 × 13,364,740,930.40
  4. Step 4: Simplify right side
    20,803,214,319.20x = 417,044,354,843,543,404,544
  5. Step 5: Solve for x
    x = 417,044,354,843,543,404,544/20,803,214,319.20
  6. Step 6: Final answer
    x = 20,047,111,395.60

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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.