Home / 1,939,039,776.99-2,908,968,211.12-628,839,667.53

Finding the Fourth Proportional to 1,939,039,776.99, 2,908,968,211.12 and 628,839,667.53

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Solution

The fourth proportional to 1,939,039,776.99, 2,908,968,211.12 and 628,839,667.53 is: 943,391,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,039,776.99 : 2,908,968,211.12 = 628,839,667.53 : x
  2. Step 2: Convert to fraction form
    1,939,039,776.99/2,908,968,211.12 = 628,839,667.53/x
  3. Step 3: Cross multiply
    1,939,039,776.99x = 2,908,968,211.12 × 628,839,667.53
  4. Step 4: Simplify right side
    1,939,039,776.99x = 1,829,274,602,736,039,424
  5. Step 5: Solve for x
    x = 1,829,274,602,736,039,424/1,939,039,776.99
  6. Step 6: Final answer
    x = 943,391,994.55

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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.