Home / 66,594,852,091.80-99,852,386,245.44-21,195,950,327.91

Finding the Fourth Proportional to 66,594,852,091.80, 99,852,386,245.44 and 21,195,950,327.91

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Solution

The fourth proportional to 66,594,852,091.80, 99,852,386,245.44 and 21,195,950,327.91 is: 31,781,228,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594,852,091.80 : 99,852,386,245.44 = 21,195,950,327.91 : x
  2. Step 2: Convert to fraction form
    66,594,852,091.80/99,852,386,245.44 = 21,195,950,327.91/x
  3. Step 3: Cross multiply
    66,594,852,091.80x = 99,852,386,245.44 × 21,195,950,327.91
  4. Step 4: Simplify right side
    66,594,852,091.80x = 2,116,466,218,981,130,502,144
  5. Step 5: Solve for x
    x = 2,116,466,218,981,130,502,144/66,594,852,091.80
  6. Step 6: Final answer
    x = 31,781,228,616.05

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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.