Home / 1,378,441,636.84-1,902,261,599.04-751,912,851.16

Finding the Fourth Proportional to 1,378,441,636.84, 1,902,261,599.04 and 751,912,851.16

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Solution

The fourth proportional to 1,378,441,636.84, 1,902,261,599.04 and 751,912,851.16 is: 1,037,646,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,441,636.84 : 1,902,261,599.04 = 751,912,851.16 : x
  2. Step 2: Convert to fraction form
    1,378,441,636.84/1,902,261,599.04 = 751,912,851.16/x
  3. Step 3: Cross multiply
    1,378,441,636.84x = 1,902,261,599.04 × 751,912,851.16
  4. Step 4: Simplify right side
    1,378,441,636.84x = 1,430,334,942,586,347,008
  5. Step 5: Solve for x
    x = 1,430,334,942,586,347,008/1,378,441,636.84
  6. Step 6: Final answer
    x = 1,037,646,356.84

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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.