Home / 779,577,485.58-1,169,513,709.93-313,275,209.22

Finding the Fourth Proportional to 779,577,485.58, 1,169,513,709.93 and 313,275,209.22

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Solution

The fourth proportional to 779,577,485.58, 1,169,513,709.93 and 313,275,209.22 is: 469,972,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,577,485.58 : 1,169,513,709.93 = 313,275,209.22 : x
  2. Step 2: Convert to fraction form
    779,577,485.58/1,169,513,709.93 = 313,275,209.22/x
  3. Step 3: Cross multiply
    779,577,485.58x = 1,169,513,709.93 × 313,275,209.22
  4. Step 4: Simplify right side
    779,577,485.58x = 366,379,652,163,979,200
  5. Step 5: Solve for x
    x = 366,379,652,163,979,200/779,577,485.58
  6. Step 6: Final answer
    x = 469,972,079.67

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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.