Home / 776,121,106.77-1,164,116,078.50-251,479,104.21

Finding the Fourth Proportional to 776,121,106.77, 1,164,116,078.50 and 251,479,104.21

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Solution

The fourth proportional to 776,121,106.77, 1,164,116,078.50 and 251,479,104.21 is: 377,197,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,121,106.77 : 1,164,116,078.50 = 251,479,104.21 : x
  2. Step 2: Convert to fraction form
    776,121,106.77/1,164,116,078.50 = 251,479,104.21/x
  3. Step 3: Cross multiply
    776,121,106.77x = 1,164,116,078.50 × 251,479,104.21
  4. Step 4: Simplify right side
    776,121,106.77x = 292,750,868,617,638,080
  5. Step 5: Solve for x
    x = 292,750,868,617,638,080/776,121,106.77
  6. Step 6: Final answer
    x = 377,197,406.52

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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.