Home / 683,315,758.24-1,025,148,422.40-198,641,566.24

Finding the Fourth Proportional to 683,315,758.24, 1,025,148,422.40 and 198,641,566.24

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Solution

The fourth proportional to 683,315,758.24, 1,025,148,422.40 and 198,641,566.24 is: 298,013,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315,758.24 : 1,025,148,422.40 = 198,641,566.24 : x
  2. Step 2: Convert to fraction form
    683,315,758.24/1,025,148,422.40 = 198,641,566.24/x
  3. Step 3: Cross multiply
    683,315,758.24x = 1,025,148,422.40 × 198,641,566.24
  4. Step 4: Simplify right side
    683,315,758.24x = 203,637,088,254,001,120
  5. Step 5: Solve for x
    x = 203,637,088,254,001,120/683,315,758.24
  6. Step 6: Final answer
    x = 298,013,159.80

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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.