Home / 680,713,617.52-1,021,367,423.36-238,373,778.77

Finding the Fourth Proportional to 680,713,617.52, 1,021,367,423.36 and 238,373,778.77

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Solution

The fourth proportional to 680,713,617.52, 1,021,367,423.36 and 238,373,778.77 is: 357,664,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,713,617.52 : 1,021,367,423.36 = 238,373,778.77 : x
  2. Step 2: Convert to fraction form
    680,713,617.52/1,021,367,423.36 = 238,373,778.77/x
  3. Step 3: Cross multiply
    680,713,617.52x = 1,021,367,423.36 × 238,373,778.77
  4. Step 4: Simplify right side
    680,713,617.52x = 243,467,212,222,050,912
  5. Step 5: Solve for x
    x = 243,467,212,222,050,912/680,713,617.52
  6. Step 6: Final answer
    x = 357,664,671.25

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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.