Finding the Fourth Proportional to 1,029,038,851.08, 1,543,591,579.93 and 489,877,829.82
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Solution
The fourth proportional to 1,029,038,851.08, 1,543,591,579.93 and 489,877,829.82 is: 734,832,598.90
Step by Step Solution
- Step 1: Write the proportion equation
1,029,038,851.08 : 1,543,591,579.93 = 489,877,829.82 : x - Step 2: Convert to fraction form
1,029,038,851.08/1,543,591,579.93 = 489,877,829.82/x - Step 3: Cross multiply
1,029,038,851.08x = 1,543,591,579.93 × 489,877,829.82 - Step 4: Simplify right side
1,029,038,851.08x = 756,171,293,303,308,800 - Step 5: Solve for x
x = 756,171,293,303,308,800/1,029,038,851.08 - Step 6: Final answer
x = 734,832,598.90
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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.