Home / 4,139,431,139.40-6,209,146,709.10-3,323,137,763.40

Finding the Fourth Proportional to 4,139,431,139.40, 6,209,146,709.10 and 3,323,137,763.40

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Solution

The fourth proportional to 4,139,431,139.40, 6,209,146,709.10 and 3,323,137,763.40 is: 4,984,706,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,431,139.40 : 6,209,146,709.10 = 3,323,137,763.40 : x
  2. Step 2: Convert to fraction form
    4,139,431,139.40/6,209,146,709.10 = 3,323,137,763.40/x
  3. Step 3: Cross multiply
    4,139,431,139.40x = 6,209,146,709.10 × 3,323,137,763.40
  4. Step 4: Simplify right side
    4,139,431,139.40x = 20,633,849,907,501,047,808
  5. Step 5: Solve for x
    x = 20,633,849,907,501,047,808/4,139,431,139.40
  6. Step 6: Final answer
    x = 4,984,706,645.10

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Half scale
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Double scale
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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.