Home / 440,780,265.12-608,258,500.08-239,837,969.28

Finding the Fourth Proportional to 440,780,265.12, 608,258,500.08 and 239,837,969.28

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Solution

The fourth proportional to 440,780,265.12, 608,258,500.08 and 239,837,969.28 is: 330,966,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,780,265.12 : 608,258,500.08 = 239,837,969.28 : x
  2. Step 2: Convert to fraction form
    440,780,265.12/608,258,500.08 = 239,837,969.28/x
  3. Step 3: Cross multiply
    440,780,265.12x = 608,258,500.08 × 239,837,969.28
  4. Step 4: Simplify right side
    440,780,265.12x = 145,883,483,456,485,920
  5. Step 5: Solve for x
    x = 145,883,483,456,485,920/440,780,265.12
  6. Step 6: Final answer
    x = 330,966,458.80

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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.