Home / 767,248,807.30-1,058,801,362.61-428,153,727.39

Finding the Fourth Proportional to 767,248,807.30, 1,058,801,362.61 and 428,153,727.39

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Solution

The fourth proportional to 767,248,807.30, 1,058,801,362.61 and 428,153,727.39 is: 590,851,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,248,807.30 : 1,058,801,362.61 = 428,153,727.39 : x
  2. Step 2: Convert to fraction form
    767,248,807.30/1,058,801,362.61 = 428,153,727.39/x
  3. Step 3: Cross multiply
    767,248,807.30x = 1,058,801,362.61 × 428,153,727.39
  4. Step 4: Simplify right side
    767,248,807.30x = 453,329,749,966,932,224
  5. Step 5: Solve for x
    x = 453,329,749,966,932,224/767,248,807.30
  6. Step 6: Final answer
    x = 590,851,032.48

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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.