Home / 1,329,804,006.20-1,994,706,009.30-360,455,622.20

Finding the Fourth Proportional to 1,329,804,006.20, 1,994,706,009.30 and 360,455,622.20

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Solution

The fourth proportional to 1,329,804,006.20, 1,994,706,009.30 and 360,455,622.20 is: 540,683,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,804,006.20 : 1,994,706,009.30 = 360,455,622.20 : x
  2. Step 2: Convert to fraction form
    1,329,804,006.20/1,994,706,009.30 = 360,455,622.20/x
  3. Step 3: Cross multiply
    1,329,804,006.20x = 1,994,706,009.30 × 360,455,622.20
  4. Step 4: Simplify right side
    1,329,804,006.20x = 719,002,995,688,310,400
  5. Step 5: Solve for x
    x = 719,002,995,688,310,400/1,329,804,006.20
  6. Step 6: Final answer
    x = 540,683,433.30

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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.