Finding the Fourth Proportional to 577,804,069.20, 797,374,121.45 and 339,585,280.10
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Solution
The fourth proportional to 577,804,069.20, 797,374,121.45 and 339,585,280.10 is: 468,630,334.75
Step by Step Solution
- Step 1: Write the proportion equation
577,804,069.20 : 797,374,121.45 = 339,585,280.10 : x - Step 2: Convert to fraction form
577,804,069.20/797,374,121.45 = 339,585,280.10/x - Step 3: Cross multiply
577,804,069.20x = 797,374,121.45 × 339,585,280.10 - Step 4: Simplify right side
577,804,069.20x = 270,776,514,371,404,896 - Step 5: Solve for x
x = 270,776,514,371,404,896/577,804,069.20 - Step 6: Final answer
x = 468,630,334.75
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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.