Home / 13,620,254,133.60-20,430,381,200.40-8,362,814,608.80

Finding the Fourth Proportional to 13,620,254,133.60, 20,430,381,200.40 and 8,362,814,608.80

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Solution

The fourth proportional to 13,620,254,133.60, 20,430,381,200.40 and 8,362,814,608.80 is: 12,544,221,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,254,133.60 : 20,430,381,200.40 = 8,362,814,608.80 : x
  2. Step 2: Convert to fraction form
    13,620,254,133.60/20,430,381,200.40 = 8,362,814,608.80/x
  3. Step 3: Cross multiply
    13,620,254,133.60x = 20,430,381,200.40 × 8,362,814,608.80
  4. Step 4: Simplify right side
    13,620,254,133.60x = 170,855,490,366,058,004,480
  5. Step 5: Solve for x
    x = 170,855,490,366,058,004,480/13,620,254,133.60
  6. Step 6: Final answer
    x = 12,544,221,913.20

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1.5x scale

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.