Home / 316,389,879.40-436,621,525.79-175,263,261.48

Finding the Fourth Proportional to 316,389,879.40, 436,621,525.79 and 175,263,261.48

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Solution

The fourth proportional to 316,389,879.40, 436,621,525.79 and 175,263,261.48 is: 241,865,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,389,879.40 : 436,621,525.79 = 175,263,261.48 : x
  2. Step 2: Convert to fraction form
    316,389,879.40/436,621,525.79 = 175,263,261.48/x
  3. Step 3: Cross multiply
    316,389,879.40x = 436,621,525.79 × 175,263,261.48
  4. Step 4: Simplify right side
    316,389,879.40x = 76,523,712,642,329,328
  5. Step 5: Solve for x
    x = 76,523,712,642,329,328/316,389,879.40
  6. Step 6: Final answer
    x = 241,865,235.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.