Home / 347,256,684.80-520,885,027.20-266,883,334.40

Finding the Fourth Proportional to 347,256,684.80, 520,885,027.20 and 266,883,334.40

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Solution

The fourth proportional to 347,256,684.80, 520,885,027.20 and 266,883,334.40 is: 400,325,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,256,684.80 : 520,885,027.20 = 266,883,334.40 : x
  2. Step 2: Convert to fraction form
    347,256,684.80/520,885,027.20 = 266,883,334.40/x
  3. Step 3: Cross multiply
    347,256,684.80x = 520,885,027.20 × 266,883,334.40
  4. Step 4: Simplify right side
    347,256,684.80x = 139,015,532,898,170,688
  5. Step 5: Solve for x
    x = 139,015,532,898,170,688/347,256,684.80
  6. Step 6: Final answer
    x = 400,325,001.60

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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.