Home / 2,116,480,932.36-2,920,907,070.18-1,269,739,967.40

Finding the Fourth Proportional to 2,116,480,932.36, 2,920,907,070.18 and 1,269,739,967.40

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Solution

The fourth proportional to 2,116,480,932.36, 2,920,907,070.18 and 1,269,739,967.40 is: 1,752,339,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,480,932.36 : 2,920,907,070.18 = 1,269,739,967.40 : x
  2. Step 2: Convert to fraction form
    2,116,480,932.36/2,920,907,070.18 = 1,269,739,967.40/x
  3. Step 3: Cross multiply
    2,116,480,932.36x = 2,920,907,070.18 × 1,269,739,967.40
  4. Step 4: Simplify right side
    2,116,480,932.36x = 3,708,792,448,068,782,592
  5. Step 5: Solve for x
    x = 3,708,792,448,068,782,592/2,116,480,932.36
  6. Step 6: Final answer
    x = 1,752,339,173.66

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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.