Home / 1,691,565,550.13-2,539,839,106.79-946,041,972.95

Finding the Fourth Proportional to 1,691,565,550.13, 2,539,839,106.79 and 946,041,972.95

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Solution

The fourth proportional to 1,691,565,550.13, 2,539,839,106.79 and 946,041,972.95 is: 1,420,455,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,565,550.13 : 2,539,839,106.79 = 946,041,972.95 : x
  2. Step 2: Convert to fraction form
    1,691,565,550.13/2,539,839,106.79 = 946,041,972.95/x
  3. Step 3: Cross multiply
    1,691,565,550.13x = 2,539,839,106.79 × 946,041,972.95
  4. Step 4: Simplify right side
    1,691,565,550.13x = 2,402,794,399,563,177,472
  5. Step 5: Solve for x
    x = 2,402,794,399,563,177,472/1,691,565,550.13
  6. Step 6: Final answer
    x = 1,420,455,979.01

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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.