Finding the Fourth Proportional to 993,329,363,295.42, 1,371,049,571,117.50 and 646,962,756,595.70
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Solution
The fourth proportional to 993,329,363,295.42, 1,371,049,571,117.50 and 646,962,756,595.70 is: 892,974,719,902.37
Step by Step Solution
- Step 1: Write the proportion equation
993,329,363,295.42 : 1,371,049,571,117.50 = 646,962,756,595.70 : x - Step 2: Convert to fraction form
993,329,363,295.42/1,371,049,571,117.50 = 646,962,756,595.70/x - Step 3: Cross multiply
993,329,363,295.42x = 1,371,049,571,117.50 × 646,962,756,595.70 - Step 4: Simplify right side
993,329,363,295.42x = 887,018,009,959,529,980,100,608 - Step 5: Solve for x
x = 887,018,009,959,529,980,100,608/993,329,363,295.42 - Step 6: Final answer
x = 892,974,719,902.37
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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.