Home / 1,787,292,034.20-2,680,938,051.30-1,379,145,346.20

Finding the Fourth Proportional to 1,787,292,034.20, 2,680,938,051.30 and 1,379,145,346.20

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Solution

The fourth proportional to 1,787,292,034.20, 2,680,938,051.30 and 1,379,145,346.20 is: 2,068,718,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,292,034.20 : 2,680,938,051.30 = 1,379,145,346.20 : x
  2. Step 2: Convert to fraction form
    1,787,292,034.20/2,680,938,051.30 = 1,379,145,346.20/x
  3. Step 3: Cross multiply
    1,787,292,034.20x = 2,680,938,051.30 × 1,379,145,346.20
  4. Step 4: Simplify right side
    1,787,292,034.20x = 3,697,403,236,900,892,160
  5. Step 5: Solve for x
    x = 3,697,403,236,900,892,160/1,787,292,034.20
  6. Step 6: Final answer
    x = 2,068,718,019.30

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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.