Home / 13,218,776,297.02-18,242,359,000.35-7,197,515,223.35

Finding the Fourth Proportional to 13,218,776,297.02, 18,242,359,000.35 and 7,197,515,223.35

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Solution

The fourth proportional to 13,218,776,297.02, 18,242,359,000.35 and 7,197,515,223.35 is: 9,932,814,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218,776,297.02 : 18,242,359,000.35 = 7,197,515,223.35 : x
  2. Step 2: Convert to fraction form
    13,218,776,297.02/18,242,359,000.35 = 7,197,515,223.35/x
  3. Step 3: Cross multiply
    13,218,776,297.02x = 18,242,359,000.35 × 7,197,515,223.35
  4. Step 4: Simplify right side
    13,218,776,297.02x = 131,299,656,614,835,011,584
  5. Step 5: Solve for x
    x = 131,299,656,614,835,011,584/13,218,776,297.02
  6. Step 6: Final answer
    x = 9,932,814,782.90

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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.