Finding the Fourth Proportional to 424,164,092.36, 636,239,753.17 and 190,830,029.60
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Solution
The fourth proportional to 424,164,092.36, 636,239,753.17 and 190,830,029.60 is: 286,242,171.65
Step by Step Solution
- Step 1: Write the proportion equation
424,164,092.36 : 636,239,753.17 = 190,830,029.60 : x - Step 2: Convert to fraction form
424,164,092.36/636,239,753.17 = 190,830,029.60/x - Step 3: Cross multiply
424,164,092.36x = 636,239,753.17 × 190,830,029.60 - Step 4: Simplify right side
424,164,092.36x = 121,413,650,931,241,312 - Step 5: Solve for x
x = 121,413,650,931,241,312/424,164,092.36 - Step 6: Final answer
x = 286,242,171.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.