Home / 999,994,210.88-1,499,991,479.94-417,410,648.42

Finding the Fourth Proportional to 999,994,210.88, 1,499,991,479.94 and 417,410,648.42

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Solution

The fourth proportional to 999,994,210.88, 1,499,991,479.94 and 417,410,648.42 is: 626,116,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,994,210.88 : 1,499,991,479.94 = 417,410,648.42 : x
  2. Step 2: Convert to fraction form
    999,994,210.88/1,499,991,479.94 = 417,410,648.42/x
  3. Step 3: Cross multiply
    999,994,210.88x = 1,499,991,479.94 × 417,410,648.42
  4. Step 4: Simplify right side
    999,994,210.88x = 626,112,416,266,230,912
  5. Step 5: Solve for x
    x = 626,112,416,266,230,912/999,994,210.88
  6. Step 6: Final answer
    x = 626,116,040.93

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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.