Home / 6,166,509,709.69-8,509,563,220.20-3,490,232,428.80

Finding the Fourth Proportional to 6,166,509,709.69, 8,509,563,220.20 and 3,490,232,428.80

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Solution

The fourth proportional to 6,166,509,709.69, 8,509,563,220.20 and 3,490,232,428.80 is: 4,816,396,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166,509,709.69 : 8,509,563,220.20 = 3,490,232,428.80 : x
  2. Step 2: Convert to fraction form
    6,166,509,709.69/8,509,563,220.20 = 3,490,232,428.80/x
  3. Step 3: Cross multiply
    6,166,509,709.69x = 8,509,563,220.20 × 3,490,232,428.80
  4. Step 4: Simplify right side
    6,166,509,709.69x = 29,700,353,506,065,797,120
  5. Step 5: Solve for x
    x = 29,700,353,506,065,797,120/6,166,509,709.69
  6. Step 6: Final answer
    x = 4,816,396,130.76

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Double scale
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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.