Finding the Fourth Proportional to 1,240,306,509.06, 1,860,362,135.51 and 540,782,136.90
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Solution
The fourth proportional to 1,240,306,509.06, 1,860,362,135.51 and 540,782,136.90 is: 811,130,638.84
Step by Step Solution
- Step 1: Write the proportion equation
1,240,306,509.06 : 1,860,362,135.51 = 540,782,136.90 : x - Step 2: Convert to fraction form
1,240,306,509.06/1,860,362,135.51 = 540,782,136.90/x - Step 3: Cross multiply
1,240,306,509.06x = 1,860,362,135.51 × 540,782,136.90 - Step 4: Simplify right side
1,240,306,509.06x = 1,006,050,611,046,241,280 - Step 5: Solve for x
x = 1,006,050,611,046,241,280/1,240,306,509.06 - Step 6: Final answer
x = 811,130,638.84
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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.