Home / 730,584,763.10-1,095,766,418.01-198,837,623.69

Finding the Fourth Proportional to 730,584,763.10, 1,095,766,418.01 and 198,837,623.69

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Solution

The fourth proportional to 730,584,763.10, 1,095,766,418.01 and 198,837,623.69 is: 298,226,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,584,763.10 : 1,095,766,418.01 = 198,837,623.69 : x
  2. Step 2: Convert to fraction form
    730,584,763.10/1,095,766,418.01 = 198,837,623.69/x
  3. Step 3: Cross multiply
    730,584,763.10x = 1,095,766,418.01 × 198,837,623.69
  4. Step 4: Simplify right side
    730,584,763.10x = 217,879,590,676,411,616
  5. Step 5: Solve for x
    x = 217,879,590,676,411,616/730,584,763.10
  6. Step 6: Final answer
    x = 298,226,299.92

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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.