Home / 712,616,783.06-1,067,533,588.11-338,592,399.48

Finding the Fourth Proportional to 712,616,783.06, 1,067,533,588.11 and 338,592,399.48

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Solution

The fourth proportional to 712,616,783.06, 1,067,533,588.11 and 338,592,399.48 is: 507,227,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,616,783.06 : 1,067,533,588.11 = 338,592,399.48 : x
  2. Step 2: Convert to fraction form
    712,616,783.06/1,067,533,588.11 = 338,592,399.48/x
  3. Step 3: Cross multiply
    712,616,783.06x = 1,067,533,588.11 × 338,592,399.48
  4. Step 4: Simplify right side
    712,616,783.06x = 361,458,759,124,911,744
  5. Step 5: Solve for x
    x = 361,458,759,124,911,744/712,616,783.06
  6. Step 6: Final answer
    x = 507,227,401.48

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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.