Home / 355,752,457.80-533,628,686.70-252,440,327.40

Finding the Fourth Proportional to 355,752,457.80, 533,628,686.70 and 252,440,327.40

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Solution

The fourth proportional to 355,752,457.80, 533,628,686.70 and 252,440,327.40 is: 378,660,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,752,457.80 : 533,628,686.70 = 252,440,327.40 : x
  2. Step 2: Convert to fraction form
    355,752,457.80/533,628,686.70 = 252,440,327.40/x
  3. Step 3: Cross multiply
    355,752,457.80x = 533,628,686.70 × 252,440,327.40
  4. Step 4: Simplify right side
    355,752,457.80x = 134,709,400,380,580,032
  5. Step 5: Solve for x
    x = 134,709,400,380,580,032/355,752,457.80
  6. Step 6: Final answer
    x = 378,660,491.10

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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.