Home / 1,986,988,598.40-2,980,482,897.60-1,973,383,708.80

Finding the Fourth Proportional to 1,986,988,598.40, 2,980,482,897.60 and 1,973,383,708.80

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Solution

The fourth proportional to 1,986,988,598.40, 2,980,482,897.60 and 1,973,383,708.80 is: 2,960,075,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,988,598.40 : 2,980,482,897.60 = 1,973,383,708.80 : x
  2. Step 2: Convert to fraction form
    1,986,988,598.40/2,980,482,897.60 = 1,973,383,708.80/x
  3. Step 3: Cross multiply
    1,986,988,598.40x = 2,980,482,897.60 × 1,973,383,708.80
  4. Step 4: Simplify right side
    1,986,988,598.40x = 5,881,636,394,480,858,112
  5. Step 5: Solve for x
    x = 5,881,636,394,480,858,112/1,986,988,598.40
  6. Step 6: Final answer
    x = 2,960,075,563.20

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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.