Home / 12,189,101,746.78-16,819,615,475.04-6,835,560,417.34

Finding the Fourth Proportional to 12,189,101,746.78, 16,819,615,475.04 and 6,835,560,417.34

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Solution

The fourth proportional to 12,189,101,746.78, 16,819,615,475.04 and 6,835,560,417.34 is: 9,432,319,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,101,746.78 : 16,819,615,475.04 = 6,835,560,417.34 : x
  2. Step 2: Convert to fraction form
    12,189,101,746.78/16,819,615,475.04 = 6,835,560,417.34/x
  3. Step 3: Cross multiply
    12,189,101,746.78x = 16,819,615,475.04 × 6,835,560,417.34
  4. Step 4: Simplify right side
    12,189,101,746.78x = 114,971,497,776,062,758,912
  5. Step 5: Solve for x
    x = 114,971,497,776,062,758,912/12,189,101,746.78
  6. Step 6: Final answer
    x = 9,432,319,145.78

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1.5x scale

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.