Finding the Fourth Proportional to 7,931,280,944,635.80, 11,902,355,763,456 and 2,768,125,960,112.10
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Solution
The fourth proportional to 7,931,280,944,635.80, 11,902,355,763,456 and 2,768,125,960,112.10 is: 4,154,085,601,720.59
Step by Step Solution
- Step 1: Write the proportion equation
7,931,280,944,635.80 : 11,902,355,763,456 = 2,768,125,960,112.10 : x - Step 2: Convert to fraction form
7,931,280,944,635.80/11,902,355,763,456 = 2,768,125,960,112.10/x - Step 3: Cross multiply
7,931,280,944,635.80x = 11,902,355,763,456 × 2,768,125,960,112.10 - Step 4: Simplify right side
7,931,280,944,635.80x = 32,947,219,975,312,426,986,897,408 - Step 5: Solve for x
x = 32,947,219,975,312,426,986,897,408/7,931,280,944,635.80 - Step 6: Final answer
x = 4,154,085,601,720.59
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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.