Finding the Fourth Proportional to 996,886,830.99, 1,375,782,248.40 and 567,742,265.84
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Solution
The fourth proportional to 996,886,830.99, 1,375,782,248.40 and 567,742,265.84 is: 783,528,989.17
Step by Step Solution
- Step 1: Write the proportion equation
996,886,830.99 : 1,375,782,248.40 = 567,742,265.84 : x - Step 2: Convert to fraction form
996,886,830.99/1,375,782,248.40 = 567,742,265.84/x - Step 3: Cross multiply
996,886,830.99x = 1,375,782,248.40 × 567,742,265.84 - Step 4: Simplify right side
996,886,830.99x = 781,089,731,002,186,880 - Step 5: Solve for x
x = 781,089,731,002,186,880/996,886,830.99 - Step 6: Final answer
x = 783,528,989.17
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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.