Home / 1,226,017,059.20-1,839,025,588.80-643,526,230.40

Finding the Fourth Proportional to 1,226,017,059.20, 1,839,025,588.80 and 643,526,230.40

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Solution

The fourth proportional to 1,226,017,059.20, 1,839,025,588.80 and 643,526,230.40 is: 965,289,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,017,059.20 : 1,839,025,588.80 = 643,526,230.40 : x
  2. Step 2: Convert to fraction form
    1,226,017,059.20/1,839,025,588.80 = 643,526,230.40/x
  3. Step 3: Cross multiply
    1,226,017,059.20x = 1,839,025,588.80 × 643,526,230.40
  4. Step 4: Simplify right side
    1,226,017,059.20x = 1,183,461,204,769,604,352
  5. Step 5: Solve for x
    x = 1,183,461,204,769,604,352/1,226,017,059.20
  6. Step 6: Final answer
    x = 965,289,345.60

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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.