Home / 1,403,573,969,100.90-1,936,930,608,346.70-786,281,032,368.40

Finding the Fourth Proportional to 1,403,573,969,100.90, 1,936,930,608,346.70 and 786,281,032,368.40

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Solution

The fourth proportional to 1,403,573,969,100.90, 1,936,930,608,346.70 and 786,281,032,368.40 is: 1,085,067,001,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,573,969,100.90 : 1,936,930,608,346.70 = 786,281,032,368.40 : x
  2. Step 2: Convert to fraction form
    1,403,573,969,100.90/1,936,930,608,346.70 = 786,281,032,368.40/x
  3. Step 3: Cross multiply
    1,403,573,969,100.90x = 1,936,930,608,346.70 × 786,281,032,368.40
  4. Step 4: Simplify right side
    1,403,573,969,100.90x = 1,522,971,798,356,796,383,428,608
  5. Step 5: Solve for x
    x = 1,522,971,798,356,796,383,428,608/1,403,573,969,100.90
  6. Step 6: Final answer
    x = 1,085,067,001,728.72

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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.