Home / 653,553,420.36-980,329,531.55-204,860,036.33

Finding the Fourth Proportional to 653,553,420.36, 980,329,531.55 and 204,860,036.33

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Solution

The fourth proportional to 653,553,420.36, 980,329,531.55 and 204,860,036.33 is: 307,289,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,553,420.36 : 980,329,531.55 = 204,860,036.33 : x
  2. Step 2: Convert to fraction form
    653,553,420.36/980,329,531.55 = 204,860,036.33/x
  3. Step 3: Cross multiply
    653,553,420.36x = 980,329,531.55 × 204,860,036.33
  4. Step 4: Simplify right side
    653,553,420.36x = 200,830,343,448,704,896
  5. Step 5: Solve for x
    x = 200,830,343,448,704,896/653,553,420.36
  6. Step 6: Final answer
    x = 307,289,866.74

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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.