Home / 476,928,015.20-715,392,022.80-355,995,663.20

Finding the Fourth Proportional to 476,928,015.20, 715,392,022.80 and 355,995,663.20

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Solution

The fourth proportional to 476,928,015.20, 715,392,022.80 and 355,995,663.20 is: 533,993,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,015.20 : 715,392,022.80 = 355,995,663.20 : x
  2. Step 2: Convert to fraction form
    476,928,015.20/715,392,022.80 = 355,995,663.20/x
  3. Step 3: Cross multiply
    476,928,015.20x = 715,392,022.80 × 355,995,663.20
  4. Step 4: Simplify right side
    476,928,015.20x = 254,676,457,604,675,488
  5. Step 5: Solve for x
    x = 254,676,457,604,675,488/476,928,015.20
  6. Step 6: Final answer
    x = 533,993,494.80

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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.