Home / 21,923,640,365.40-30,249,438,348.76-12,408,192,114.44

Finding the Fourth Proportional to 21,923,640,365.40, 30,249,438,348.76 and 12,408,192,114.44

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Solution

The fourth proportional to 21,923,640,365.40, 30,249,438,348.76 and 12,408,192,114.44 is: 17,120,370,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,640,365.40 : 30,249,438,348.76 = 12,408,192,114.44 : x
  2. Step 2: Convert to fraction form
    21,923,640,365.40/30,249,438,348.76 = 12,408,192,114.44/x
  3. Step 3: Cross multiply
    21,923,640,365.40x = 30,249,438,348.76 × 12,408,192,114.44
  4. Step 4: Simplify right side
    21,923,640,365.40x = 375,340,842,385,134,256,128
  5. Step 5: Solve for x
    x = 375,340,842,385,134,256,128/21,923,640,365.40
  6. Step 6: Final answer
    x = 17,120,370,345.86

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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.