Home / 1,128,314,708.66-1,692,469,807.63-299,351,442.96

Finding the Fourth Proportional to 1,128,314,708.66, 1,692,469,807.63 and 299,351,442.96

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Solution

The fourth proportional to 1,128,314,708.66, 1,692,469,807.63 and 299,351,442.96 is: 449,026,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,314,708.66 : 1,692,469,807.63 = 299,351,442.96 : x
  2. Step 2: Convert to fraction form
    1,128,314,708.66/1,692,469,807.63 = 299,351,442.96/x
  3. Step 3: Cross multiply
    1,128,314,708.66x = 1,692,469,807.63 × 299,351,442.96
  4. Step 4: Simplify right side
    1,128,314,708.66x = 506,643,279,079,525,696
  5. Step 5: Solve for x
    x = 506,643,279,079,525,696/1,128,314,708.66
  6. Step 6: Final answer
    x = 449,026,566.08

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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.