Home / 1,445,939,604.88-1,995,438,744.86-819,387,199.60

Finding the Fourth Proportional to 1,445,939,604.88, 1,995,438,744.86 and 819,387,199.60

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Solution

The fourth proportional to 1,445,939,604.88, 1,995,438,744.86 and 819,387,199.60 is: 1,130,778,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,939,604.88 : 1,995,438,744.86 = 819,387,199.60 : x
  2. Step 2: Convert to fraction form
    1,445,939,604.88/1,995,438,744.86 = 819,387,199.60/x
  3. Step 3: Cross multiply
    1,445,939,604.88x = 1,995,438,744.86 × 819,387,199.60
  4. Step 4: Simplify right side
    1,445,939,604.88x = 1,635,036,965,124,174,336
  5. Step 5: Solve for x
    x = 1,635,036,965,124,174,336/1,445,939,604.88
  6. Step 6: Final answer
    x = 1,130,778,187.14

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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.