Home / 326,339,830.80-488,376,005.40-299,130,051.60

Finding the Fourth Proportional to 326,339,830.80, 488,376,005.40 and 299,130,051.60

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Solution

The fourth proportional to 326,339,830.80, 488,376,005.40 and 299,130,051.60 is: 447,655,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,339,830.80 : 488,376,005.40 = 299,130,051.60 : x
  2. Step 2: Convert to fraction form
    326,339,830.80/488,376,005.40 = 299,130,051.60/x
  3. Step 3: Cross multiply
    326,339,830.80x = 488,376,005.40 × 299,130,051.60
  4. Step 4: Simplify right side
    326,339,830.80x = 146,087,939,695,503,872
  5. Step 5: Solve for x
    x = 146,087,939,695,503,872/326,339,830.80
  6. Step 6: Final answer
    x = 447,655,866.39

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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.