Home / 1,008,021,448.20-1,512,032,172.30-904,709,317.80

Finding the Fourth Proportional to 1,008,021,448.20, 1,512,032,172.30 and 904,709,317.80

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Solution

The fourth proportional to 1,008,021,448.20, 1,512,032,172.30 and 904,709,317.80 is: 1,357,063,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021,448.20 : 1,512,032,172.30 = 904,709,317.80 : x
  2. Step 2: Convert to fraction form
    1,008,021,448.20/1,512,032,172.30 = 904,709,317.80/x
  3. Step 3: Cross multiply
    1,008,021,448.20x = 1,512,032,172.30 × 904,709,317.80
  4. Step 4: Simplify right side
    1,008,021,448.20x = 1,367,949,595,093,185,024
  5. Step 5: Solve for x
    x = 1,367,949,595,093,185,024/1,008,021,448.20
  6. Step 6: Final answer
    x = 1,357,063,976.70

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1.5x scale

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.