Home / 767,248,812.16-1,058,801,369.28-428,153,732.24

Finding the Fourth Proportional to 767,248,812.16, 1,058,801,369.28 and 428,153,732.24

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Solution

The fourth proportional to 767,248,812.16, 1,058,801,369.28 and 428,153,732.24 is: 590,851,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,248,812.16 : 1,058,801,369.28 = 428,153,732.24 : x
  2. Step 2: Convert to fraction form
    767,248,812.16/1,058,801,369.28 = 428,153,732.24/x
  3. Step 3: Cross multiply
    767,248,812.16x = 1,058,801,369.28 × 428,153,732.24
  4. Step 4: Simplify right side
    767,248,812.16x = 453,329,757,958,054,464
  5. Step 5: Solve for x
    x = 453,329,757,958,054,464/767,248,812.16
  6. Step 6: Final answer
    x = 590,851,039.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.