Home / 4,292,352,039.70-6,438,528,059.55-2,979,480,193.30

Finding the Fourth Proportional to 4,292,352,039.70, 6,438,528,059.55 and 2,979,480,193.30

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Solution

The fourth proportional to 4,292,352,039.70, 6,438,528,059.55 and 2,979,480,193.30 is: 4,469,220,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292,352,039.70 : 6,438,528,059.55 = 2,979,480,193.30 : x
  2. Step 2: Convert to fraction form
    4,292,352,039.70/6,438,528,059.55 = 2,979,480,193.30/x
  3. Step 3: Cross multiply
    4,292,352,039.70x = 6,438,528,059.55 × 2,979,480,193.30
  4. Step 4: Simplify right side
    4,292,352,039.70x = 19,183,466,827,435,507,712
  5. Step 5: Solve for x
    x = 19,183,466,827,435,507,712/4,292,352,039.70
  6. Step 6: Final answer
    x = 4,469,220,289.95

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Double scale
Find fourth proportional to 4,292,352,040.70, 6,438,528,061.05 and 2,979,480,194.30
Similar ratio
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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.