Home / 455,158,851.57-628,121,130.12-246,315,004.47

Finding the Fourth Proportional to 455,158,851.57, 628,121,130.12 and 246,315,004.47

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Solution

The fourth proportional to 455,158,851.57, 628,121,130.12 and 246,315,004.47 is: 339,915,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,851.57 : 628,121,130.12 = 246,315,004.47 : x
  2. Step 2: Convert to fraction form
    455,158,851.57/628,121,130.12 = 246,315,004.47/x
  3. Step 3: Cross multiply
    455,158,851.57x = 628,121,130.12 × 246,315,004.47
  4. Step 4: Simplify right side
    455,158,851.57x = 154,715,658,973,209,248
  5. Step 5: Solve for x
    x = 154,715,658,973,209,248/455,158,851.57
  6. Step 6: Final answer
    x = 339,915,742.47

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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.