Home / 709,716,201.20-1,064,574,301.80-225,042,009.20

Finding the Fourth Proportional to 709,716,201.20, 1,064,574,301.80 and 225,042,009.20

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Solution

The fourth proportional to 709,716,201.20, 1,064,574,301.80 and 225,042,009.20 is: 337,563,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,716,201.20 : 1,064,574,301.80 = 225,042,009.20 : x
  2. Step 2: Convert to fraction form
    709,716,201.20/1,064,574,301.80 = 225,042,009.20/x
  3. Step 3: Cross multiply
    709,716,201.20x = 1,064,574,301.80 × 225,042,009.20
  4. Step 4: Simplify right side
    709,716,201.20x = 239,573,939,819,759,168
  5. Step 5: Solve for x
    x = 239,573,939,819,759,168/709,716,201.20
  6. Step 6: Final answer
    x = 337,563,013.80

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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.