Finding the Fourth Proportional to 458,768,231.30, 633,101,316.36 and 249,925,895.66
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Solution
The fourth proportional to 458,768,231.30, 633,101,316.36 and 249,925,895.66 is: 344,898,366.41
Step by Step Solution
- Step 1: Write the proportion equation
458,768,231.30 : 633,101,316.36 = 249,925,895.66 : x - Step 2: Convert to fraction form
458,768,231.30/633,101,316.36 = 249,925,895.66/x - Step 3: Cross multiply
458,768,231.30x = 633,101,316.36 × 249,925,895.66 - Step 4: Simplify right side
458,768,231.30x = 158,228,413,534,798,016 - Step 5: Solve for x
x = 158,228,413,534,798,016/458,768,231.30 - Step 6: Final answer
x = 344,898,366.41
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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.