Home / 1,010,190,624.98-1,516,102,069.16-428,333,441.15

Finding the Fourth Proportional to 1,010,190,624.98, 1,516,102,069.16 and 428,333,441.15

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Solution

The fourth proportional to 1,010,190,624.98, 1,516,102,069.16 and 428,333,441.15 is: 642,846,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,190,624.98 : 1,516,102,069.16 = 428,333,441.15 : x
  2. Step 2: Convert to fraction form
    1,010,190,624.98/1,516,102,069.16 = 428,333,441.15/x
  3. Step 3: Cross multiply
    1,010,190,624.98x = 1,516,102,069.16 × 428,333,441.15
  4. Step 4: Simplify right side
    1,010,190,624.98x = 649,397,216,422,799,104
  5. Step 5: Solve for x
    x = 649,397,216,422,799,104/1,010,190,624.98
  6. Step 6: Final answer
    x = 642,846,211.76

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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.