Home / 836,718,386.40-1,255,077,579.60-254,448,007.20

Finding the Fourth Proportional to 836,718,386.40, 1,255,077,579.60 and 254,448,007.20

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Solution

The fourth proportional to 836,718,386.40, 1,255,077,579.60 and 254,448,007.20 is: 381,672,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,718,386.40 : 1,255,077,579.60 = 254,448,007.20 : x
  2. Step 2: Convert to fraction form
    836,718,386.40/1,255,077,579.60 = 254,448,007.20/x
  3. Step 3: Cross multiply
    836,718,386.40x = 1,255,077,579.60 × 254,448,007.20
  4. Step 4: Simplify right side
    836,718,386.40x = 319,351,989,010,619,328
  5. Step 5: Solve for x
    x = 319,351,989,010,619,328/836,718,386.40
  6. Step 6: Final answer
    x = 381,672,010.80

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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.