Home / 1,179,594,902.50-1,627,880,063.94-643,775,907.07

Finding the Fourth Proportional to 1,179,594,902.50, 1,627,880,063.94 and 643,775,907.07

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Solution

The fourth proportional to 1,179,594,902.50, 1,627,880,063.94 and 643,775,907.07 is: 888,432,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,594,902.50 : 1,627,880,063.94 = 643,775,907.07 : x
  2. Step 2: Convert to fraction form
    1,179,594,902.50/1,627,880,063.94 = 643,775,907.07/x
  3. Step 3: Cross multiply
    1,179,594,902.50x = 1,627,880,063.94 × 643,775,907.07
  4. Step 4: Simplify right side
    1,179,594,902.50x = 1,047,989,964,766,161,664
  5. Step 5: Solve for x
    x = 1,047,989,964,766,161,664/1,179,594,902.50
  6. Step 6: Final answer
    x = 888,432,090.16

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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.