Home / 767,248,807.18-1,058,801,362.43-428,153,727.27

Finding the Fourth Proportional to 767,248,807.18, 1,058,801,362.43 and 428,153,727.27

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Solution

The fourth proportional to 767,248,807.18, 1,058,801,362.43 and 428,153,727.27 is: 590,851,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,248,807.18 : 1,058,801,362.43 = 428,153,727.27 : x
  2. Step 2: Convert to fraction form
    767,248,807.18/1,058,801,362.43 = 428,153,727.27/x
  3. Step 3: Cross multiply
    767,248,807.18x = 1,058,801,362.43 × 428,153,727.27
  4. Step 4: Simplify right side
    767,248,807.18x = 453,329,749,762,958,592
  5. Step 5: Solve for x
    x = 453,329,749,762,958,592/767,248,807.18
  6. Step 6: Final answer
    x = 590,851,032.31

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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.