Home / 466,355,277.08-643,337,832.72-278,050,766.84

Finding the Fourth Proportional to 466,355,277.08, 643,337,832.72 and 278,050,766.84

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Solution

The fourth proportional to 466,355,277.08, 643,337,832.72 and 278,050,766.84 is: 383,571,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,355,277.08 : 643,337,832.72 = 278,050,766.84 : x
  2. Step 2: Convert to fraction form
    466,355,277.08/643,337,832.72 = 278,050,766.84/x
  3. Step 3: Cross multiply
    466,355,277.08x = 643,337,832.72 × 278,050,766.84
  4. Step 4: Simplify right side
    466,355,277.08x = 178,880,577,724,979,648
  5. Step 5: Solve for x
    x = 178,880,577,724,979,648/466,355,277.08
  6. Step 6: Final answer
    x = 383,571,466.90

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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.