Home / 991,058,228.40-1,483,353,813.72-728,673,209.58

Finding the Fourth Proportional to 991,058,228.40, 1,483,353,813.72 and 728,673,209.58

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Solution

The fourth proportional to 991,058,228.40, 1,483,353,813.72 and 728,673,209.58 is: 1,090,632,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,058,228.40 : 1,483,353,813.72 = 728,673,209.58 : x
  2. Step 2: Convert to fraction form
    991,058,228.40/1,483,353,813.72 = 728,673,209.58/x
  3. Step 3: Cross multiply
    991,058,228.40x = 1,483,353,813.72 × 728,673,209.58
  4. Step 4: Simplify right side
    991,058,228.40x = 1,080,880,184,386,085,888
  5. Step 5: Solve for x
    x = 1,080,880,184,386,085,888/991,058,228.40
  6. Step 6: Final answer
    x = 1,090,632,369.94

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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.