Home / 1,188,804,551.10-1,783,206,826.65-637,806,522.30

Finding the Fourth Proportional to 1,188,804,551.10, 1,783,206,826.65 and 637,806,522.30

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Solution

The fourth proportional to 1,188,804,551.10, 1,783,206,826.65 and 637,806,522.30 is: 956,709,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,804,551.10 : 1,783,206,826.65 = 637,806,522.30 : x
  2. Step 2: Convert to fraction form
    1,188,804,551.10/1,783,206,826.65 = 637,806,522.30/x
  3. Step 3: Cross multiply
    1,188,804,551.10x = 1,783,206,826.65 × 637,806,522.30
  4. Step 4: Simplify right side
    1,188,804,551.10x = 1,137,340,944,647,255,424
  5. Step 5: Solve for x
    x = 1,137,340,944,647,255,424/1,188,804,551.10
  6. Step 6: Final answer
    x = 956,709,783.45

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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.