Home / 1,019,781,738,638-1,407,318,387,591.60-556,827,132,969.60

Finding the Fourth Proportional to 1,019,781,738,638, 1,407,318,387,591.60 and 556,827,132,969.60

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Solution

The fourth proportional to 1,019,781,738,638, 1,407,318,387,591.60 and 556,827,132,969.60 is: 768,432,139,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,781,738,638 : 1,407,318,387,591.60 = 556,827,132,969.60 : x
  2. Step 2: Convert to fraction form
    1,019,781,738,638/1,407,318,387,591.60 = 556,827,132,969.60/x
  3. Step 3: Cross multiply
    1,019,781,738,638x = 1,407,318,387,591.60 × 556,827,132,969.60
  4. Step 4: Simplify right side
    1,019,781,738,638x = 783,633,062,938,030,895,005,696
  5. Step 5: Solve for x
    x = 783,633,062,938,030,895,005,696/1,019,781,738,638
  6. Step 6: Final answer
    x = 768,432,139,199.35

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Double scale
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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.