Home / 434,125,928.10-650,989,826.55-191,664,027.30

Finding the Fourth Proportional to 434,125,928.10, 650,989,826.55 and 191,664,027.30

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Solution

The fourth proportional to 434,125,928.10, 650,989,826.55 and 191,664,027.30 is: 287,408,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,125,928.10 : 650,989,826.55 = 191,664,027.30 : x
  2. Step 2: Convert to fraction form
    434,125,928.10/650,989,826.55 = 191,664,027.30/x
  3. Step 3: Cross multiply
    434,125,928.10x = 650,989,826.55 × 191,664,027.30
  4. Step 4: Simplify right side
    434,125,928.10x = 124,771,331,887,901,456
  5. Step 5: Solve for x
    x = 124,771,331,887,901,456/434,125,928.10
  6. Step 6: Final answer
    x = 287,408,154.67

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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.