Home / 49,101,091,809.60-73,651,637,714.40-21,206,816,601.60

Finding the Fourth Proportional to 49,101,091,809.60, 73,651,637,714.40 and 21,206,816,601.60

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Solution

The fourth proportional to 49,101,091,809.60, 73,651,637,714.40 and 21,206,816,601.60 is: 31,810,224,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,101,091,809.60 : 73,651,637,714.40 = 21,206,816,601.60 : x
  2. Step 2: Convert to fraction form
    49,101,091,809.60/73,651,637,714.40 = 21,206,816,601.60/x
  3. Step 3: Cross multiply
    49,101,091,809.60x = 73,651,637,714.40 × 21,206,816,601.60
  4. Step 4: Simplify right side
    49,101,091,809.60x = 1,561,916,773,416,766,275,584
  5. Step 5: Solve for x
    x = 1,561,916,773,416,766,275,584/49,101,091,809.60
  6. Step 6: Final answer
    x = 31,810,224,902.40

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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.