Finding the Fourth Proportional to 939,687,823.10, 1,409,313,065.23 and 349,755,892.02
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Solution
The fourth proportional to 939,687,823.10, 1,409,313,065.23 and 349,755,892.02 is: 524,552,448.32
Step by Step Solution
- Step 1: Write the proportion equation
939,687,823.10 : 1,409,313,065.23 = 349,755,892.02 : x - Step 2: Convert to fraction form
939,687,823.10/1,409,313,065.23 = 349,755,892.02/x - Step 3: Cross multiply
939,687,823.10x = 1,409,313,065.23 × 349,755,892.02 - Step 4: Simplify right side
939,687,823.10x = 492,915,548,264,427,264 - Step 5: Solve for x
x = 492,915,548,264,427,264/939,687,823.10 - Step 6: Final answer
x = 524,552,448.32
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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.