Home / 5,388,903,139.80-8,083,354,709.70-2,630,301,821.40

Finding the Fourth Proportional to 5,388,903,139.80, 8,083,354,709.70 and 2,630,301,821.40

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Solution

The fourth proportional to 5,388,903,139.80, 8,083,354,709.70 and 2,630,301,821.40 is: 3,945,452,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,903,139.80 : 8,083,354,709.70 = 2,630,301,821.40 : x
  2. Step 2: Convert to fraction form
    5,388,903,139.80/8,083,354,709.70 = 2,630,301,821.40/x
  3. Step 3: Cross multiply
    5,388,903,139.80x = 8,083,354,709.70 × 2,630,301,821.40
  4. Step 4: Simplify right side
    5,388,903,139.80x = 21,261,662,615,946,178,560
  5. Step 5: Solve for x
    x = 21,261,662,615,946,178,560/5,388,903,139.80
  6. Step 6: Final answer
    x = 3,945,452,732.10

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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.