Home / 947,837,392.28-1,421,818,470.66-248,346,655.64

Finding the Fourth Proportional to 947,837,392.28, 1,421,818,470.66 and 248,346,655.64

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Solution

The fourth proportional to 947,837,392.28, 1,421,818,470.66 and 248,346,655.64 is: 372,536,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,837,392.28 : 1,421,818,470.66 = 248,346,655.64 : x
  2. Step 2: Convert to fraction form
    947,837,392.28/1,421,818,470.66 = 248,346,655.64/x
  3. Step 3: Cross multiply
    947,837,392.28x = 1,421,818,470.66 × 248,346,655.64
  4. Step 4: Simplify right side
    947,837,392.28x = 353,103,862,115,590,464
  5. Step 5: Solve for x
    x = 353,103,862,115,590,464/947,837,392.28
  6. Step 6: Final answer
    x = 372,536,328.48

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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.