Home / 401,572,028.72-554,674,524.90-331,262,428.16

Finding the Fourth Proportional to 401,572,028.72, 554,674,524.90 and 331,262,428.16

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Solution

The fourth proportional to 401,572,028.72, 554,674,524.90 and 331,262,428.16 is: 457,558,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,572,028.72 : 554,674,524.90 = 331,262,428.16 : x
  2. Step 2: Convert to fraction form
    401,572,028.72/554,674,524.90 = 331,262,428.16/x
  3. Step 3: Cross multiply
    401,572,028.72x = 554,674,524.90 × 331,262,428.16
  4. Step 4: Simplify right side
    401,572,028.72x = 183,742,829,956,868,384
  5. Step 5: Solve for x
    x = 183,742,829,956,868,384/401,572,028.72
  6. Step 6: Final answer
    x = 457,558,835.81

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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.