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Finding the Fourth Proportional to 1,090,835,520.86, 1,505,309,527.22 and 614,514,794.06

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Solution

The fourth proportional to 1,090,835,520.86, 1,505,309,527.22 and 614,514,794.06 is: 848,005,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,835,520.86 : 1,505,309,527.22 = 614,514,794.06 : x
  2. Step 2: Convert to fraction form
    1,090,835,520.86/1,505,309,527.22 = 614,514,794.06/x
  3. Step 3: Cross multiply
    1,090,835,520.86x = 1,505,309,527.22 × 614,514,794.06
  4. Step 4: Simplify right side
    1,090,835,520.86x = 925,034,974,116,154,240
  5. Step 5: Solve for x
    x = 925,034,974,116,154,240/1,090,835,520.86
  6. Step 6: Final answer
    x = 848,005,915.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.