Home / 1,181,645,888.31-1,770,884,482.05-919,646,809.38

Finding the Fourth Proportional to 1,181,645,888.31, 1,770,884,482.05 and 919,646,809.38

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Solution

The fourth proportional to 1,181,645,888.31, 1,770,884,482.05 and 919,646,809.38 is: 1,378,237,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,645,888.31 : 1,770,884,482.05 = 919,646,809.38 : x
  2. Step 2: Convert to fraction form
    1,181,645,888.31/1,770,884,482.05 = 919,646,809.38/x
  3. Step 3: Cross multiply
    1,181,645,888.31x = 1,770,884,482.05 × 919,646,809.38
  4. Step 4: Simplify right side
    1,181,645,888.31x = 1,628,588,263,697,836,288
  5. Step 5: Solve for x
    x = 1,628,588,263,697,836,288/1,181,645,888.31
  6. Step 6: Final answer
    x = 1,378,237,151.93

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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.