Home / 1,213,056,065.90-1,819,584,098.85-804,573,454.70

Finding the Fourth Proportional to 1,213,056,065.90, 1,819,584,098.85 and 804,573,454.70

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Solution

The fourth proportional to 1,213,056,065.90, 1,819,584,098.85 and 804,573,454.70 is: 1,206,860,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,065.90 : 1,819,584,098.85 = 804,573,454.70 : x
  2. Step 2: Convert to fraction form
    1,213,056,065.90/1,819,584,098.85 = 804,573,454.70/x
  3. Step 3: Cross multiply
    1,213,056,065.90x = 1,819,584,098.85 × 804,573,454.70
  4. Step 4: Simplify right side
    1,213,056,065.90x = 1,463,989,064,528,930,816
  5. Step 5: Solve for x
    x = 1,463,989,064,528,930,816/1,213,056,065.90
  6. Step 6: Final answer
    x = 1,206,860,182.05

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Double scale
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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.