Home / 1,948,843,832.25-2,922,098,312.91-620,297,970.15

Finding the Fourth Proportional to 1,948,843,832.25, 2,922,098,312.91 and 620,297,970.15

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Solution

The fourth proportional to 1,948,843,832.25, 2,922,098,312.91 and 620,297,970.15 is: 930,075,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,843,832.25 : 2,922,098,312.91 = 620,297,970.15 : x
  2. Step 2: Convert to fraction form
    1,948,843,832.25/2,922,098,312.91 = 620,297,970.15/x
  3. Step 3: Cross multiply
    1,948,843,832.25x = 2,922,098,312.91 × 620,297,970.15
  4. Step 4: Simplify right side
    1,948,843,832.25x = 1,812,571,652,076,812,288
  5. Step 5: Solve for x
    x = 1,812,571,652,076,812,288/1,948,843,832.25
  6. Step 6: Final answer
    x = 930,075,371.91

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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.