Home / 1,939,039,776.74-2,908,968,210.74-628,839,667.28

Finding the Fourth Proportional to 1,939,039,776.74, 2,908,968,210.74 and 628,839,667.28

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Solution

The fourth proportional to 1,939,039,776.74, 2,908,968,210.74 and 628,839,667.28 is: 943,391,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,039,776.74 : 2,908,968,210.74 = 628,839,667.28 : x
  2. Step 2: Convert to fraction form
    1,939,039,776.74/2,908,968,210.74 = 628,839,667.28/x
  3. Step 3: Cross multiply
    1,939,039,776.74x = 2,908,968,210.74 × 628,839,667.28
  4. Step 4: Simplify right side
    1,939,039,776.74x = 1,829,274,601,756,865,536
  5. Step 5: Solve for x
    x = 1,829,274,601,756,865,536/1,939,039,776.74
  6. Step 6: Final answer
    x = 943,391,994.17

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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.