Home / 252,064,007.60-378,096,011.40-214,440,609.20

Finding the Fourth Proportional to 252,064,007.60, 378,096,011.40 and 214,440,609.20

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Solution

The fourth proportional to 252,064,007.60, 378,096,011.40 and 214,440,609.20 is: 321,660,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,064,007.60 : 378,096,011.40 = 214,440,609.20 : x
  2. Step 2: Convert to fraction form
    252,064,007.60/378,096,011.40 = 214,440,609.20/x
  3. Step 3: Cross multiply
    252,064,007.60x = 378,096,011.40 × 214,440,609.20
  4. Step 4: Simplify right side
    252,064,007.60x = 81,079,139,020,706,128
  5. Step 5: Solve for x
    x = 81,079,139,020,706,128/252,064,007.60
  6. Step 6: Final answer
    x = 321,660,913.80

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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.