Home / 440,803,615.06-609,147,945.57-330,604,009.30

Finding the Fourth Proportional to 440,803,615.06, 609,147,945.57 and 330,604,009.30

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Solution

The fourth proportional to 440,803,615.06, 609,147,945.57 and 330,604,009.30 is: 456,862,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,803,615.06 : 609,147,945.57 = 330,604,009.30 : x
  2. Step 2: Convert to fraction form
    440,803,615.06/609,147,945.57 = 330,604,009.30/x
  3. Step 3: Cross multiply
    440,803,615.06x = 609,147,945.57 × 330,604,009.30
  4. Step 4: Simplify right side
    440,803,615.06x = 201,386,753,062,300,192
  5. Step 5: Solve for x
    x = 201,386,753,062,300,192/440,803,615.06
  6. Step 6: Final answer
    x = 456,862,752.89

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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.