Home / 708,597,811.20-1,062,896,716.80-417,314,999.10

Finding the Fourth Proportional to 708,597,811.20, 1,062,896,716.80 and 417,314,999.10

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Solution

The fourth proportional to 708,597,811.20, 1,062,896,716.80 and 417,314,999.10 is: 625,972,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,597,811.20 : 1,062,896,716.80 = 417,314,999.10 : x
  2. Step 2: Convert to fraction form
    708,597,811.20/1,062,896,716.80 = 417,314,999.10/x
  3. Step 3: Cross multiply
    708,597,811.20x = 1,062,896,716.80 × 417,314,999.10
  4. Step 4: Simplify right side
    708,597,811.20x = 443,562,742,414,784,960
  5. Step 5: Solve for x
    x = 443,562,742,414,784,960/708,597,811.20
  6. Step 6: Final answer
    x = 625,972,498.65

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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.