Home / 1,470,909,845.40-2,207,223,238.53-816,410,146.20

Finding the Fourth Proportional to 1,470,909,845.40, 2,207,223,238.53 and 816,410,146.20

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Solution

The fourth proportional to 1,470,909,845.40, 2,207,223,238.53 and 816,410,146.20 is: 1,225,091,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,909,845.40 : 2,207,223,238.53 = 816,410,146.20 : x
  2. Step 2: Convert to fraction form
    1,470,909,845.40/2,207,223,238.53 = 816,410,146.20/x
  3. Step 3: Cross multiply
    1,470,909,845.40x = 2,207,223,238.53 × 816,410,146.20
  4. Step 4: Simplify right side
    1,470,909,845.40x = 1,801,999,446,864,315,136
  5. Step 5: Solve for x
    x = 1,801,999,446,864,315,136/1,470,909,845.40
  6. Step 6: Final answer
    x = 1,225,091,702.59

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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.