Home / 30,556,610,783.21-42,168,124,825.26-17,007,956,276.91

Finding the Fourth Proportional to 30,556,610,783.21, 42,168,124,825.26 and 17,007,956,276.91

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Solution

The fourth proportional to 30,556,610,783.21, 42,168,124,825.26 and 17,007,956,276.91 is: 23,470,980,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,610,783.21 : 42,168,124,825.26 = 17,007,956,276.91 : x
  2. Step 2: Convert to fraction form
    30,556,610,783.21/42,168,124,825.26 = 17,007,956,276.91/x
  3. Step 3: Cross multiply
    30,556,610,783.21x = 42,168,124,825.26 × 17,007,956,276.91
  4. Step 4: Simplify right side
    30,556,610,783.21x = 717,193,623,307,305,222,144
  5. Step 5: Solve for x
    x = 717,193,623,307,305,222,144/30,556,610,783.21
  6. Step 6: Final answer
    x = 23,470,980,744.42

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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.