Home / 761,203,910.37-1,050,408,533.06-422,129,876.91

Finding the Fourth Proportional to 761,203,910.37, 1,050,408,533.06 and 422,129,876.91

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Solution

The fourth proportional to 761,203,910.37, 1,050,408,533.06 and 422,129,876.91 is: 582,509,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,203,910.37 : 1,050,408,533.06 = 422,129,876.91 : x
  2. Step 2: Convert to fraction form
    761,203,910.37/1,050,408,533.06 = 422,129,876.91/x
  3. Step 3: Cross multiply
    761,203,910.37x = 1,050,408,533.06 × 422,129,876.91
  4. Step 4: Simplify right side
    761,203,910.37x = 443,408,824,766,075,520
  5. Step 5: Solve for x
    x = 443,408,824,766,075,520/761,203,910.37
  6. Step 6: Final answer
    x = 582,509,914.53

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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.