Home / 8,273,958,433.60-12,410,937,650.40-7,240,837,129.60

Finding the Fourth Proportional to 8,273,958,433.60, 12,410,937,650.40 and 7,240,837,129.60

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Solution

The fourth proportional to 8,273,958,433.60, 12,410,937,650.40 and 7,240,837,129.60 is: 10,861,255,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,958,433.60 : 12,410,937,650.40 = 7,240,837,129.60 : x
  2. Step 2: Convert to fraction form
    8,273,958,433.60/12,410,937,650.40 = 7,240,837,129.60/x
  3. Step 3: Cross multiply
    8,273,958,433.60x = 12,410,937,650.40 × 7,240,837,129.60
  4. Step 4: Simplify right side
    8,273,958,433.60x = 89,865,578,152,166,899,712
  5. Step 5: Solve for x
    x = 89,865,578,152,166,899,712/8,273,958,433.60
  6. Step 6: Final answer
    x = 10,861,255,694.40

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Double scale
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1.5x scale

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.