Home / 879,799,887.86-1,214,136,280.14-483,359,515.88

Finding the Fourth Proportional to 879,799,887.86, 1,214,136,280.14 and 483,359,515.88

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Solution

The fourth proportional to 879,799,887.86, 1,214,136,280.14 and 483,359,515.88 is: 667,042,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,799,887.86 : 1,214,136,280.14 = 483,359,515.88 : x
  2. Step 2: Convert to fraction form
    879,799,887.86/1,214,136,280.14 = 483,359,515.88/x
  3. Step 3: Cross multiply
    879,799,887.86x = 1,214,136,280.14 × 483,359,515.88
  4. Step 4: Simplify right side
    879,799,887.86x = 586,864,324,580,814,464
  5. Step 5: Solve for x
    x = 586,864,324,580,814,464/879,799,887.86
  6. Step 6: Final answer
    x = 667,042,963.61

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1.5x scale

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.