Home / 298,446,501.69-447,674,392.46-88,378,437.57

Finding the Fourth Proportional to 298,446,501.69, 447,674,392.46 and 88,378,437.57

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Solution

The fourth proportional to 298,446,501.69, 447,674,392.46 and 88,378,437.57 is: 132,569,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,446,501.69 : 447,674,392.46 = 88,378,437.57 : x
  2. Step 2: Convert to fraction form
    298,446,501.69/447,674,392.46 = 88,378,437.57/x
  3. Step 3: Cross multiply
    298,446,501.69x = 447,674,392.46 × 88,378,437.57
  4. Step 4: Simplify right side
    298,446,501.69x = 39,564,763,345,271,888
  5. Step 5: Solve for x
    x = 39,564,763,345,271,888/298,446,501.69
  6. Step 6: Final answer
    x = 132,569,030.37

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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.