Home / 26,909,713,837.80-40,364,570,756.70-12,931,965,232.20

Finding the Fourth Proportional to 26,909,713,837.80, 40,364,570,756.70 and 12,931,965,232.20

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Solution

The fourth proportional to 26,909,713,837.80, 40,364,570,756.70 and 12,931,965,232.20 is: 19,397,947,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909,713,837.80 : 40,364,570,756.70 = 12,931,965,232.20 : x
  2. Step 2: Convert to fraction form
    26,909,713,837.80/40,364,570,756.70 = 12,931,965,232.20/x
  3. Step 3: Cross multiply
    26,909,713,837.80x = 40,364,570,756.70 × 12,931,965,232.20
  4. Step 4: Simplify right side
    26,909,713,837.80x = 521,993,225,638,321,258,496
  5. Step 5: Solve for x
    x = 521,993,225,638,321,258,496/26,909,713,837.80
  6. Step 6: Final answer
    x = 19,397,947,848.30

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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.