Home / 18,169,596,385.40-27,254,394,578.10-7,128,472,647.80

Finding the Fourth Proportional to 18,169,596,385.40, 27,254,394,578.10 and 7,128,472,647.80

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Solution

The fourth proportional to 18,169,596,385.40, 27,254,394,578.10 and 7,128,472,647.80 is: 10,692,708,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,596,385.40 : 27,254,394,578.10 = 7,128,472,647.80 : x
  2. Step 2: Convert to fraction form
    18,169,596,385.40/27,254,394,578.10 = 7,128,472,647.80/x
  3. Step 3: Cross multiply
    18,169,596,385.40x = 27,254,394,578.10 × 7,128,472,647.80
  4. Step 4: Simplify right side
    18,169,596,385.40x = 194,282,206,282,334,470,144
  5. Step 5: Solve for x
    x = 194,282,206,282,334,470,144/18,169,596,385.40
  6. Step 6: Final answer
    x = 10,692,708,971.70

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Double scale
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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.