Home / 863,642,644,601.45-1,191,864,313,753.90-478,266,990,453

Finding the Fourth Proportional to 863,642,644,601.45, 1,191,864,313,753.90 and 478,266,990,453

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Solution

The fourth proportional to 863,642,644,601.45, 1,191,864,313,753.90 and 478,266,990,453 is: 660,029,193,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642,644,601.45 : 1,191,864,313,753.90 = 478,266,990,453 : x
  2. Step 2: Convert to fraction form
    863,642,644,601.45/1,191,864,313,753.90 = 478,266,990,453/x
  3. Step 3: Cross multiply
    863,642,644,601.45x = 1,191,864,313,753.90 × 478,266,990,453
  4. Step 4: Simplify right side
    863,642,644,601.45x = 570,029,358,367,407,874,244,608
  5. Step 5: Solve for x
    x = 570,029,358,367,407,874,244,608/863,642,644,601.45
  6. Step 6: Final answer
    x = 660,029,193,707.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.