Home / 313,787,859.07-432,041,563.88-266,645,499.43

Finding the Fourth Proportional to 313,787,859.07, 432,041,563.88 and 266,645,499.43

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Solution

The fourth proportional to 313,787,859.07, 432,041,563.88 and 266,645,499.43 is: 367,133,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,787,859.07 : 432,041,563.88 = 266,645,499.43 : x
  2. Step 2: Convert to fraction form
    313,787,859.07/432,041,563.88 = 266,645,499.43/x
  3. Step 3: Cross multiply
    313,787,859.07x = 432,041,563.88 × 266,645,499.43
  4. Step 4: Simplify right side
    313,787,859.07x = 115,201,938,575,300,848
  5. Step 5: Solve for x
    x = 115,201,938,575,300,848/313,787,859.07
  6. Step 6: Final answer
    x = 367,133,192.84

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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.