Home / 1,492,856,701.11-2,239,277,058.05-387,460,749.51

Finding the Fourth Proportional to 1,492,856,701.11, 2,239,277,058.05 and 387,460,749.51

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Solution

The fourth proportional to 1,492,856,701.11, 2,239,277,058.05 and 387,460,749.51 is: 581,189,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,856,701.11 : 2,239,277,058.05 = 387,460,749.51 : x
  2. Step 2: Convert to fraction form
    1,492,856,701.11/2,239,277,058.05 = 387,460,749.51/x
  3. Step 3: Cross multiply
    1,492,856,701.11x = 2,239,277,058.05 × 387,460,749.51
  4. Step 4: Simplify right side
    1,492,856,701.11x = 867,631,967,270,663,424
  5. Step 5: Solve for x
    x = 867,631,967,270,663,424/1,492,856,701.11
  6. Step 6: Final answer
    x = 581,189,049.58

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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.