Home / 807,417,133.07-1,114,236,131.78-436,139,328.47

Finding the Fourth Proportional to 807,417,133.07, 1,114,236,131.78 and 436,139,328.47

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Solution

The fourth proportional to 807,417,133.07, 1,114,236,131.78 and 436,139,328.47 is: 601,872,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,133.07 : 1,114,236,131.78 = 436,139,328.47 : x
  2. Step 2: Convert to fraction form
    807,417,133.07/1,114,236,131.78 = 436,139,328.47/x
  3. Step 3: Cross multiply
    807,417,133.07x = 1,114,236,131.78 × 436,139,328.47
  4. Step 4: Simplify right side
    807,417,133.07x = 485,962,198,269,358,976
  5. Step 5: Solve for x
    x = 485,962,198,269,358,976/807,417,133.07
  6. Step 6: Final answer
    x = 601,872,536.96

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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.