Home / 476,857,819.24-715,320,779.48-127,102,055.07

Finding the Fourth Proportional to 476,857,819.24, 715,320,779.48 and 127,102,055.07

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Solution

The fourth proportional to 476,857,819.24, 715,320,779.48 and 127,102,055.07 is: 190,662,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,857,819.24 : 715,320,779.48 = 127,102,055.07 : x
  2. Step 2: Convert to fraction form
    476,857,819.24/715,320,779.48 = 127,102,055.07/x
  3. Step 3: Cross multiply
    476,857,819.24x = 715,320,779.48 × 127,102,055.07
  4. Step 4: Simplify right side
    476,857,819.24x = 90,918,741,109,421,456
  5. Step 5: Solve for x
    x = 90,918,741,109,421,456/476,857,819.24
  6. Step 6: Final answer
    x = 190,662,158.49

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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.