Home / 328,488,348.78-453,314,063.25-179,810,317.86

Finding the Fourth Proportional to 328,488,348.78, 453,314,063.25 and 179,810,317.86

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Solution

The fourth proportional to 328,488,348.78, 453,314,063.25 and 179,810,317.86 is: 248,138,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,488,348.78 : 453,314,063.25 = 179,810,317.86 : x
  2. Step 2: Convert to fraction form
    328,488,348.78/453,314,063.25 = 179,810,317.86/x
  3. Step 3: Cross multiply
    328,488,348.78x = 453,314,063.25 × 179,810,317.86
  4. Step 4: Simplify right side
    328,488,348.78x = 81,510,545,803,390,656
  5. Step 5: Solve for x
    x = 81,510,545,803,390,656/328,488,348.78
  6. Step 6: Final answer
    x = 248,138,316.34

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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.