Home / 455,751,804.15-628,938,127.92-246,907,946.80

Finding the Fourth Proportional to 455,751,804.15, 628,938,127.92 and 246,907,946.80

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Solution

The fourth proportional to 455,751,804.15, 628,938,127.92 and 246,907,946.80 is: 340,733,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,751,804.15 : 628,938,127.92 = 246,907,946.80 : x
  2. Step 2: Convert to fraction form
    455,751,804.15/628,938,127.92 = 246,907,946.80/x
  3. Step 3: Cross multiply
    455,751,804.15x = 628,938,127.92 × 246,907,946.80
  4. Step 4: Simplify right side
    455,751,804.15x = 155,289,821,825,054,048
  5. Step 5: Solve for x
    x = 155,289,821,825,054,048/455,751,804.15
  6. Step 6: Final answer
    x = 340,733,312.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.