Home / 1,152,314,983.08-1,728,475,131.69-664,218,311.04

Finding the Fourth Proportional to 1,152,314,983.08, 1,728,475,131.69 and 664,218,311.04

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Solution

The fourth proportional to 1,152,314,983.08, 1,728,475,131.69 and 664,218,311.04 is: 996,328,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,314,983.08 : 1,728,475,131.69 = 664,218,311.04 : x
  2. Step 2: Convert to fraction form
    1,152,314,983.08/1,728,475,131.69 = 664,218,311.04/x
  3. Step 3: Cross multiply
    1,152,314,983.08x = 1,728,475,131.69 × 664,218,311.04
  4. Step 4: Simplify right side
    1,152,314,983.08x = 1,148,084,832,645,773,312
  5. Step 5: Solve for x
    x = 1,148,084,832,645,773,312/1,152,314,983.08
  6. Step 6: Final answer
    x = 996,328,998.15

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Double scale
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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.