Home / 1,188,804,549.10-1,783,206,823.65-637,806,520.30

Finding the Fourth Proportional to 1,188,804,549.10, 1,783,206,823.65 and 637,806,520.30

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Solution

The fourth proportional to 1,188,804,549.10, 1,783,206,823.65 and 637,806,520.30 is: 956,709,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,804,549.10 : 1,783,206,823.65 = 637,806,520.30 : x
  2. Step 2: Convert to fraction form
    1,188,804,549.10/1,783,206,823.65 = 637,806,520.30/x
  3. Step 3: Cross multiply
    1,188,804,549.10x = 1,783,206,823.65 × 637,806,520.30
  4. Step 4: Simplify right side
    1,188,804,549.10x = 1,137,340,939,167,422,208
  5. Step 5: Solve for x
    x = 1,137,340,939,167,422,208/1,188,804,549.10
  6. Step 6: Final answer
    x = 956,709,780.45

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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.