Home / 404,928,009.20-607,392,013.80-186,577,929.20

Finding the Fourth Proportional to 404,928,009.20, 607,392,013.80 and 186,577,929.20

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Solution

The fourth proportional to 404,928,009.20, 607,392,013.80 and 186,577,929.20 is: 279,866,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,928,009.20 : 607,392,013.80 = 186,577,929.20 : x
  2. Step 2: Convert to fraction form
    404,928,009.20/607,392,013.80 = 186,577,929.20/x
  3. Step 3: Cross multiply
    404,928,009.20x = 607,392,013.80 × 186,577,929.20
  4. Step 4: Simplify right side
    404,928,009.20x = 113,325,944,147,421,808
  5. Step 5: Solve for x
    x = 113,325,944,147,421,808/404,928,009.20
  6. Step 6: Final answer
    x = 279,866,893.80

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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.