Home / 1,294,461,663.24-1,941,728,671.33-421,063,034.82

Finding the Fourth Proportional to 1,294,461,663.24, 1,941,728,671.33 and 421,063,034.82

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Solution

The fourth proportional to 1,294,461,663.24, 1,941,728,671.33 and 421,063,034.82 is: 631,606,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,461,663.24 : 1,941,728,671.33 = 421,063,034.82 : x
  2. Step 2: Convert to fraction form
    1,294,461,663.24/1,941,728,671.33 = 421,063,034.82/x
  3. Step 3: Cross multiply
    1,294,461,663.24x = 1,941,728,671.33 × 421,063,034.82
  4. Step 4: Simplify right side
    1,294,461,663.24x = 817,590,167,150,973,568
  5. Step 5: Solve for x
    x = 817,590,167,150,973,568/1,294,461,663.24
  6. Step 6: Final answer
    x = 631,606,319.73

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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.