Home / 1,310,257,034.60-1,965,385,551.90-1,210,487,844.20

Finding the Fourth Proportional to 1,310,257,034.60, 1,965,385,551.90 and 1,210,487,844.20

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Solution

The fourth proportional to 1,310,257,034.60, 1,965,385,551.90 and 1,210,487,844.20 is: 1,815,731,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,257,034.60 : 1,965,385,551.90 = 1,210,487,844.20 : x
  2. Step 2: Convert to fraction form
    1,310,257,034.60/1,965,385,551.90 = 1,210,487,844.20/x
  3. Step 3: Cross multiply
    1,310,257,034.60x = 1,965,385,551.90 × 1,210,487,844.20
  4. Step 4: Simplify right side
    1,310,257,034.60x = 2,379,075,319,741,258,240
  5. Step 5: Solve for x
    x = 2,379,075,319,741,258,240/1,310,257,034.60
  6. Step 6: Final answer
    x = 1,815,731,766.30

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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.