Home / 52,278,051,278.80-78,417,076,918.20-13,019,441,726.80

Finding the Fourth Proportional to 52,278,051,278.80, 78,417,076,918.20 and 13,019,441,726.80

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Solution

The fourth proportional to 52,278,051,278.80, 78,417,076,918.20 and 13,019,441,726.80 is: 19,529,162,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,051,278.80 : 78,417,076,918.20 = 13,019,441,726.80 : x
  2. Step 2: Convert to fraction form
    52,278,051,278.80/78,417,076,918.20 = 13,019,441,726.80/x
  3. Step 3: Cross multiply
    52,278,051,278.80x = 78,417,076,918.20 × 13,019,441,726.80
  4. Step 4: Simplify right side
    52,278,051,278.80x = 1,020,946,563,322,498,121,728
  5. Step 5: Solve for x
    x = 1,020,946,563,322,498,121,728/52,278,051,278.80
  6. Step 6: Final answer
    x = 19,529,162,590.20

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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.