Home / 683,315,714.95-1,025,148,357.45-198,641,522.95

Finding the Fourth Proportional to 683,315,714.95, 1,025,148,357.45 and 198,641,522.95

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Solution

The fourth proportional to 683,315,714.95, 1,025,148,357.45 and 198,641,522.95 is: 298,013,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315,714.95 : 1,025,148,357.45 = 198,641,522.95 : x
  2. Step 2: Convert to fraction form
    683,315,714.95/1,025,148,357.45 = 198,641,522.95/x
  3. Step 3: Cross multiply
    683,315,714.95x = 1,025,148,357.45 × 198,641,522.95
  4. Step 4: Simplify right side
    683,315,714.95x = 203,637,030,973,558,976
  5. Step 5: Solve for x
    x = 203,637,030,973,558,976/683,315,714.95
  6. Step 6: Final answer
    x = 298,013,094.85

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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.