Home / 316,389,881.40-436,621,528.55-175,263,263.48

Finding the Fourth Proportional to 316,389,881.40, 436,621,528.55 and 175,263,263.48

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Solution

The fourth proportional to 316,389,881.40, 436,621,528.55 and 175,263,263.48 is: 241,865,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,389,881.40 : 436,621,528.55 = 175,263,263.48 : x
  2. Step 2: Convert to fraction form
    316,389,881.40/436,621,528.55 = 175,263,263.48/x
  3. Step 3: Cross multiply
    316,389,881.40x = 436,621,528.55 × 175,263,263.48
  4. Step 4: Simplify right side
    316,389,881.40x = 76,523,713,999,298,992
  5. Step 5: Solve for x
    x = 76,523,713,999,298,992/316,389,881.40
  6. Step 6: Final answer
    x = 241,865,238.11

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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.