Home / 1,328,713,088.60-1,993,059,135.30-346,137,728.60

Finding the Fourth Proportional to 1,328,713,088.60, 1,993,059,135.30 and 346,137,728.60

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Solution

The fourth proportional to 1,328,713,088.60, 1,993,059,135.30 and 346,137,728.60 is: 519,203,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,713,088.60 : 1,993,059,135.30 = 346,137,728.60 : x
  2. Step 2: Convert to fraction form
    1,328,713,088.60/1,993,059,135.30 = 346,137,728.60/x
  3. Step 3: Cross multiply
    1,328,713,088.60x = 1,993,059,135.30 × 346,137,728.60
  4. Step 4: Simplify right side
    1,328,713,088.60x = 689,872,962,058,222,080
  5. Step 5: Solve for x
    x = 689,872,962,058,222,080/1,328,713,088.60
  6. Step 6: Final answer
    x = 519,203,858.21

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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.