Home / 1,444,874,075.12-1,994,091,629.84-809,966,047.72

Finding the Fourth Proportional to 1,444,874,075.12, 1,994,091,629.84 and 809,966,047.72

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Solution

The fourth proportional to 1,444,874,075.12, 1,994,091,629.84 and 809,966,047.72 is: 1,117,845,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,874,075.12 : 1,994,091,629.84 = 809,966,047.72 : x
  2. Step 2: Convert to fraction form
    1,444,874,075.12/1,994,091,629.84 = 809,966,047.72/x
  3. Step 3: Cross multiply
    1,444,874,075.12x = 1,994,091,629.84 × 809,966,047.72
  4. Step 4: Simplify right side
    1,444,874,075.12x = 1,615,146,516,213,038,080
  5. Step 5: Solve for x
    x = 1,615,146,516,213,038,080/1,444,874,075.12
  6. Step 6: Final answer
    x = 1,117,845,869.08

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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.