Home / 526,511,513,429.70-789,518,308,931.61-203,965,398,811.14

Finding the Fourth Proportional to 526,511,513,429.70, 789,518,308,931.61 and 203,965,398,811.14

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Solution

The fourth proportional to 526,511,513,429.70, 789,518,308,931.61 and 203,965,398,811.14 is: 305,851,653,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,511,513,429.70 : 789,518,308,931.61 = 203,965,398,811.14 : x
  2. Step 2: Convert to fraction form
    526,511,513,429.70/789,518,308,931.61 = 203,965,398,811.14/x
  3. Step 3: Cross multiply
    526,511,513,429.70x = 789,518,308,931.61 × 203,965,398,811.14
  4. Step 4: Simplify right side
    526,511,513,429.70x = 161,034,416,749,932,688,965,632
  5. Step 5: Solve for x
    x = 161,034,416,749,932,688,965,632/526,511,513,429.70
  6. Step 6: Final answer
    x = 305,851,653,083.43

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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.