Home / 1,253,106,720,751.20-1,879,657,735,017.80-392,646,762,400.64

Finding the Fourth Proportional to 1,253,106,720,751.20, 1,879,657,735,017.80 and 392,646,762,400.64

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Solution

The fourth proportional to 1,253,106,720,751.20, 1,879,657,735,017.80 and 392,646,762,400.64 is: 588,969,408,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,106,720,751.20 : 1,879,657,735,017.80 = 392,646,762,400.64 : x
  2. Step 2: Convert to fraction form
    1,253,106,720,751.20/1,879,657,735,017.80 = 392,646,762,400.64/x
  3. Step 3: Cross multiply
    1,253,106,720,751.20x = 1,879,657,735,017.80 × 392,646,762,400.64
  4. Step 4: Simplify right side
    1,253,106,720,751.20x = 738,041,524,076,059,331,395,584
  5. Step 5: Solve for x
    x = 738,041,524,076,059,331,395,584/1,253,106,720,751.20
  6. Step 6: Final answer
    x = 588,969,408,474.34

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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.