Home / 1,393,053,100.02-2,088,933,940.71-519,419,897.19

Finding the Fourth Proportional to 1,393,053,100.02, 2,088,933,940.71 and 519,419,897.19

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Solution

The fourth proportional to 1,393,053,100.02, 2,088,933,940.71 and 519,419,897.19 is: 778,889,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,053,100.02 : 2,088,933,940.71 = 519,419,897.19 : x
  2. Step 2: Convert to fraction form
    1,393,053,100.02/2,088,933,940.71 = 519,419,897.19/x
  3. Step 3: Cross multiply
    1,393,053,100.02x = 2,088,933,940.71 × 519,419,897.19
  4. Step 4: Simplify right side
    1,393,053,100.02x = 1,085,033,852,720,289,792
  5. Step 5: Solve for x
    x = 1,085,033,852,720,289,792/1,393,053,100.02
  6. Step 6: Final answer
    x = 778,889,083.77

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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.