Home / 455,158,878.07-628,121,166.69-246,315,030.97

Finding the Fourth Proportional to 455,158,878.07, 628,121,166.69 and 246,315,030.97

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Solution

The fourth proportional to 455,158,878.07, 628,121,166.69 and 246,315,030.97 is: 339,915,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,878.07 : 628,121,166.69 = 246,315,030.97 : x
  2. Step 2: Convert to fraction form
    455,158,878.07/628,121,166.69 = 246,315,030.97/x
  3. Step 3: Cross multiply
    455,158,878.07x = 628,121,166.69 × 246,315,030.97
  4. Step 4: Simplify right side
    455,158,878.07x = 154,715,684,626,159,904
  5. Step 5: Solve for x
    x = 154,715,684,626,159,904/455,158,878.07
  6. Step 6: Final answer
    x = 339,915,779.04

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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.