Home / 1,079,590,218.80-1,619,385,328.20-671,443,530.80

Finding the Fourth Proportional to 1,079,590,218.80, 1,619,385,328.20 and 671,443,530.80

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Solution

The fourth proportional to 1,079,590,218.80, 1,619,385,328.20 and 671,443,530.80 is: 1,007,165,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,590,218.80 : 1,619,385,328.20 = 671,443,530.80 : x
  2. Step 2: Convert to fraction form
    1,079,590,218.80/1,619,385,328.20 = 671,443,530.80/x
  3. Step 3: Cross multiply
    1,079,590,218.80x = 1,619,385,328.20 × 671,443,530.80
  4. Step 4: Simplify right side
    1,079,590,218.80x = 1,087,325,802,492,324,736
  5. Step 5: Solve for x
    x = 1,087,325,802,492,324,736/1,079,590,218.80
  6. Step 6: Final answer
    x = 1,007,165,296.20

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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.