Finding the Fourth Proportional to 31,824,687,378.40, 47,723,172,460 and 9,130,034,007.04
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Solution
The fourth proportional to 31,824,687,378.40, 47,723,172,460 and 9,130,034,007.04 is: 13,691,075,180.19
Step by Step Solution
- Step 1: Write the proportion equation
31,824,687,378.40 : 47,723,172,460 = 9,130,034,007.04 : x - Step 2: Convert to fraction form
31,824,687,378.40/47,723,172,460 = 9,130,034,007.04/x - Step 3: Cross multiply
31,824,687,378.40x = 47,723,172,460 × 9,130,034,007.04 - Step 4: Simplify right side
31,824,687,378.40x = 435,714,187,483,634,794,496 - Step 5: Solve for x
x = 435,714,187,483,634,794,496/31,824,687,378.40 - Step 6: Final answer
x = 13,691,075,180.19
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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.