Finding the Fourth Proportional to 1,035,862,719.84, 1,553,923,376.28 and 405,513,359.28
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Solution
The fourth proportional to 1,035,862,719.84, 1,553,923,376.28 and 405,513,359.28 is: 608,320,655.15
Step by Step Solution
- Step 1: Write the proportion equation
1,035,862,719.84 : 1,553,923,376.28 = 405,513,359.28 : x - Step 2: Convert to fraction form
1,035,862,719.84/1,553,923,376.28 = 405,513,359.28/x - Step 3: Cross multiply
1,035,862,719.84x = 1,553,923,376.28 × 405,513,359.28 - Step 4: Simplify right side
1,035,862,719.84x = 630,136,688,379,022,208 - Step 5: Solve for x
x = 630,136,688,379,022,208/1,035,862,719.84 - Step 6: Final answer
x = 608,320,655.15
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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.