Home / 1,403,573,969,100.60-1,936,930,608,346.20-786,281,032,368.10

Finding the Fourth Proportional to 1,403,573,969,100.60, 1,936,930,608,346.20 and 786,281,032,368.10

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Solution

The fourth proportional to 1,403,573,969,100.60, 1,936,930,608,346.20 and 786,281,032,368.10 is: 1,085,067,001,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,573,969,100.60 : 1,936,930,608,346.20 = 786,281,032,368.10 : x
  2. Step 2: Convert to fraction form
    1,403,573,969,100.60/1,936,930,608,346.20 = 786,281,032,368.10/x
  3. Step 3: Cross multiply
    1,403,573,969,100.60x = 1,936,930,608,346.20 × 786,281,032,368.10
  4. Step 4: Simplify right side
    1,403,573,969,100.60x = 1,522,971,798,355,821,962,723,328
  5. Step 5: Solve for x
    x = 1,522,971,798,355,821,962,723,328/1,403,573,969,100.60
  6. Step 6: Final answer
    x = 1,085,067,001,728.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.