Home / 196,286,894,615.45-293,826,462,442.48-128,071,071,722

Finding the Fourth Proportional to 196,286,894,615.45, 293,826,462,442.48 and 128,071,071,722

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Solution

The fourth proportional to 196,286,894,615.45, 293,826,462,442.48 and 128,071,071,722 is: 191,712,595,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,286,894,615.45 : 293,826,462,442.48 = 128,071,071,722 : x
  2. Step 2: Convert to fraction form
    196,286,894,615.45/293,826,462,442.48 = 128,071,071,722/x
  3. Step 3: Cross multiply
    196,286,894,615.45x = 293,826,462,442.48 × 128,071,071,722
  4. Step 4: Simplify right side
    196,286,894,615.45x = 37,630,669,945,292,393,021,440
  5. Step 5: Solve for x
    x = 37,630,669,945,292,393,021,440/196,286,894,615.45
  6. Step 6: Final answer
    x = 191,712,595,071.70

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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.