Home / 628,686,004.52-943,170,376.62-191,950,152.68

Finding the Fourth Proportional to 628,686,004.52, 943,170,376.62 and 191,950,152.68

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Solution

The fourth proportional to 628,686,004.52, 943,170,376.62 and 191,950,152.68 is: 287,968,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,686,004.52 : 943,170,376.62 = 191,950,152.68 : x
  2. Step 2: Convert to fraction form
    628,686,004.52/943,170,376.62 = 191,950,152.68/x
  3. Step 3: Cross multiply
    628,686,004.52x = 943,170,376.62 × 191,950,152.68
  4. Step 4: Simplify right side
    628,686,004.52x = 181,041,697,795,462,112
  5. Step 5: Solve for x
    x = 181,041,697,795,462,112/628,686,004.52
  6. Step 6: Final answer
    x = 287,968,392.00

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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.