Home / 1,170,083,890.10-1,755,125,835.15-393,471,442.10

Finding the Fourth Proportional to 1,170,083,890.10, 1,755,125,835.15 and 393,471,442.10

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Solution

The fourth proportional to 1,170,083,890.10, 1,755,125,835.15 and 393,471,442.10 is: 590,207,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,083,890.10 : 1,755,125,835.15 = 393,471,442.10 : x
  2. Step 2: Convert to fraction form
    1,170,083,890.10/1,755,125,835.15 = 393,471,442.10/x
  3. Step 3: Cross multiply
    1,170,083,890.10x = 1,755,125,835.15 × 393,471,442.10
  4. Step 4: Simplify right side
    1,170,083,890.10x = 690,591,893,423,437,440
  5. Step 5: Solve for x
    x = 690,591,893,423,437,440/1,170,083,890.10
  6. Step 6: Final answer
    x = 590,207,163.15

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Half scale
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Double scale
Find fourth proportional to 1,170,083,891.10, 1,755,125,836.65 and 393,471,443.10
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.