Home / 716,760,407.82-989,179,075.76-434,514,745.27

Finding the Fourth Proportional to 716,760,407.82, 989,179,075.76 and 434,514,745.27

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Solution

The fourth proportional to 716,760,407.82, 989,179,075.76 and 434,514,745.27 is: 599,660,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,760,407.82 : 989,179,075.76 = 434,514,745.27 : x
  2. Step 2: Convert to fraction form
    716,760,407.82/989,179,075.76 = 434,514,745.27/x
  3. Step 3: Cross multiply
    716,760,407.82x = 989,179,075.76 × 434,514,745.27
  4. Step 4: Simplify right side
    716,760,407.82x = 429,812,894,129,344,256
  5. Step 5: Solve for x
    x = 429,812,894,129,344,256/716,760,407.82
  6. Step 6: Final answer
    x = 599,660,485.48

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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.