Home / 21,242,275,235.85-31,847,704,535.49-12,846,314,300.58

Finding the Fourth Proportional to 21,242,275,235.85, 31,847,704,535.49 and 12,846,314,300.58

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Solution

The fourth proportional to 21,242,275,235.85, 31,847,704,535.49 and 12,846,314,300.58 is: 19,259,971,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,275,235.85 : 31,847,704,535.49 = 12,846,314,300.58 : x
  2. Step 2: Convert to fraction form
    21,242,275,235.85/31,847,704,535.49 = 12,846,314,300.58/x
  3. Step 3: Cross multiply
    21,242,275,235.85x = 31,847,704,535.49 × 12,846,314,300.58
  4. Step 4: Simplify right side
    21,242,275,235.85x = 409,125,622,214,937,411,584
  5. Step 5: Solve for x
    x = 409,125,622,214,937,411,584/21,242,275,235.85
  6. Step 6: Final answer
    x = 19,259,971,809.63

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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.