Home / 767,248,810.25-1,058,801,366.67-428,153,730.33

Finding the Fourth Proportional to 767,248,810.25, 1,058,801,366.67 and 428,153,730.33

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Solution

The fourth proportional to 767,248,810.25, 1,058,801,366.67 and 428,153,730.33 is: 590,851,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,248,810.25 : 1,058,801,366.67 = 428,153,730.33 : x
  2. Step 2: Convert to fraction form
    767,248,810.25/1,058,801,366.67 = 428,153,730.33/x
  3. Step 3: Cross multiply
    767,248,810.25x = 1,058,801,366.67 × 428,153,730.33
  4. Step 4: Simplify right side
    767,248,810.25x = 453,329,754,816,121,856
  5. Step 5: Solve for x
    x = 453,329,754,816,121,856/767,248,810.25
  6. Step 6: Final answer
    x = 590,851,036.54

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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.