Home / 2,347,338,701.78-3,239,405,094.31-1,290,104,148.14

Finding the Fourth Proportional to 2,347,338,701.78, 3,239,405,094.31 and 1,290,104,148.14

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Solution

The fourth proportional to 2,347,338,701.78, 3,239,405,094.31 and 1,290,104,148.14 is: 1,780,386,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347,338,701.78 : 3,239,405,094.31 = 1,290,104,148.14 : x
  2. Step 2: Convert to fraction form
    2,347,338,701.78/3,239,405,094.31 = 1,290,104,148.14/x
  3. Step 3: Cross multiply
    2,347,338,701.78x = 3,239,405,094.31 × 1,290,104,148.14
  4. Step 4: Simplify right side
    2,347,338,701.78x = 4,179,169,949,680,954,880
  5. Step 5: Solve for x
    x = 4,179,169,949,680,954,880/2,347,338,701.78
  6. Step 6: Final answer
    x = 1,780,386,420.80

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1.5x scale

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.