Home / 488,325,404.40-733,338,412.20-258,742,892.40

Finding the Fourth Proportional to 488,325,404.40, 733,338,412.20 and 258,742,892.40

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Solution

The fourth proportional to 488,325,404.40, 733,338,412.20 and 258,742,892.40 is: 388,564,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,325,404.40 : 733,338,412.20 = 258,742,892.40 : x
  2. Step 2: Convert to fraction form
    488,325,404.40/733,338,412.20 = 258,742,892.40/x
  3. Step 3: Cross multiply
    488,325,404.40x = 733,338,412.20 × 258,742,892.40
  4. Step 4: Simplify right side
    488,325,404.40x = 189,746,101,880,651,456
  5. Step 5: Solve for x
    x = 189,746,101,880,651,456/488,325,404.40
  6. Step 6: Final answer
    x = 388,564,879.42

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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.