Home / 456,915,029.67-685,763,901.03-453,475,775.96

Finding the Fourth Proportional to 456,915,029.67, 685,763,901.03 and 453,475,775.96

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Solution

The fourth proportional to 456,915,029.67, 685,763,901.03 and 453,475,775.96 is: 680,602,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,915,029.67 : 685,763,901.03 = 453,475,775.96 : x
  2. Step 2: Convert to fraction form
    456,915,029.67/685,763,901.03 = 453,475,775.96/x
  3. Step 3: Cross multiply
    456,915,029.67x = 685,763,901.03 × 453,475,775.96
  4. Step 4: Simplify right side
    456,915,029.67x = 310,977,317,141,507,072
  5. Step 5: Solve for x
    x = 310,977,317,141,507,072/456,915,029.67
  6. Step 6: Final answer
    x = 680,602,074.67

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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.