Finding the Fourth Proportional to 1,771,473,748.81, 2,444,708,041.84 and 1,018,787,511.98
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Solution
The fourth proportional to 1,771,473,748.81, 2,444,708,041.84 and 1,018,787,511.98 is: 1,405,969,478.87
Step by Step Solution
- Step 1: Write the proportion equation
1,771,473,748.81 : 2,444,708,041.84 = 1,018,787,511.98 : x - Step 2: Convert to fraction form
1,771,473,748.81/2,444,708,041.84 = 1,018,787,511.98/x - Step 3: Cross multiply
1,771,473,748.81x = 2,444,708,041.84 × 1,018,787,511.98 - Step 4: Simplify right side
1,771,473,748.81x = 2,490,638,023,455,848,448 - Step 5: Solve for x
x = 2,490,638,023,455,848,448/1,771,473,748.81 - Step 6: Final answer
x = 1,405,969,478.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.