Finding the Fourth Proportional to 1,484,592,307.96, 2,048,701,650.68 and 824,543,110.84
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Solution
The fourth proportional to 1,484,592,307.96, 2,048,701,650.68 and 824,543,110.84 is: 1,137,849,646.11
Step by Step Solution
- Step 1: Write the proportion equation
1,484,592,307.96 : 2,048,701,650.68 = 824,543,110.84 : x - Step 2: Convert to fraction form
1,484,592,307.96/2,048,701,650.68 = 824,543,110.84/x - Step 3: Cross multiply
1,484,592,307.96x = 2,048,701,650.68 × 824,543,110.84 - Step 4: Simplify right side
1,484,592,307.96x = 1,689,242,832,234,730,240 - Step 5: Solve for x
x = 1,689,242,832,234,730,240/1,484,592,307.96 - Step 6: Final answer
x = 1,137,849,646.11
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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.