Finding the Fourth Proportional to 1,043,871,484.19, 1,564,772,955.71 and 490,182,755.07
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Solution
The fourth proportional to 1,043,871,484.19, 1,564,772,955.71 and 490,182,755.07 is: 734,788,458.26
Step by Step Solution
- Step 1: Write the proportion equation
1,043,871,484.19 : 1,564,772,955.71 = 490,182,755.07 : x - Step 2: Convert to fraction form
1,043,871,484.19/1,564,772,955.71 = 490,182,755.07/x - Step 3: Cross multiply
1,043,871,484.19x = 1,564,772,955.71 × 490,182,755.07 - Step 4: Simplify right side
1,043,871,484.19x = 767,024,718,486,268,416 - Step 5: Solve for x
x = 767,024,718,486,268,416/1,043,871,484.19 - Step 6: Final answer
x = 734,788,458.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.