Home / 1,683,509,920.40-2,525,264,880.60-765,179,872.40

Finding the Fourth Proportional to 1,683,509,920.40, 2,525,264,880.60 and 765,179,872.40

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Solution

The fourth proportional to 1,683,509,920.40, 2,525,264,880.60 and 765,179,872.40 is: 1,147,769,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,509,920.40 : 2,525,264,880.60 = 765,179,872.40 : x
  2. Step 2: Convert to fraction form
    1,683,509,920.40/2,525,264,880.60 = 765,179,872.40/x
  3. Step 3: Cross multiply
    1,683,509,920.40x = 2,525,264,880.60 × 765,179,872.40
  4. Step 4: Simplify right side
    1,683,509,920.40x = 1,932,281,859,113,709,056
  5. Step 5: Solve for x
    x = 1,932,281,859,113,709,056/1,683,509,920.40
  6. Step 6: Final answer
    x = 1,147,769,808.60

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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.