Finding the Fourth Proportional to 389,634,844,483.15, 584,043,143,605.60 and 131,095,838,500.99
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Solution
The fourth proportional to 389,634,844,483.15, 584,043,143,605.60 and 131,095,838,500.99 is: 196,506,104,923.17
Step by Step Solution
- Step 1: Write the proportion equation
389,634,844,483.15 : 584,043,143,605.60 = 131,095,838,500.99 : x - Step 2: Convert to fraction form
389,634,844,483.15/584,043,143,605.60 = 131,095,838,500.99/x - Step 3: Cross multiply
389,634,844,483.15x = 584,043,143,605.60 × 131,095,838,500.99 - Step 4: Simplify right side
389,634,844,483.15x = 76,565,625,631,730,250,547,200 - Step 5: Solve for x
x = 76,565,625,631,730,250,547,200/389,634,844,483.15 - Step 6: Final answer
x = 196,506,104,923.17
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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.