Home / 398,832,191.77-599,300,409.62-214,735,780.57

Finding the Fourth Proportional to 398,832,191.77, 599,300,409.62 and 214,735,780.57

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Solution

The fourth proportional to 398,832,191.77, 599,300,409.62 and 214,735,780.57 is: 322,670,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,832,191.77 : 599,300,409.62 = 214,735,780.57 : x
  2. Step 2: Convert to fraction form
    398,832,191.77/599,300,409.62 = 214,735,780.57/x
  3. Step 3: Cross multiply
    398,832,191.77x = 599,300,409.62 × 214,735,780.57
  4. Step 4: Simplify right side
    398,832,191.77x = 128,691,241,255,671,440
  5. Step 5: Solve for x
    x = 128,691,241,255,671,440/398,832,191.77
  6. Step 6: Final answer
    x = 322,670,145.27

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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.