Finding the Fourth Proportional to 3,490,495,602.32, 5,235,708,900 and 1,599,155,292.28
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Solution
The fourth proportional to 3,490,495,602.32, 5,235,708,900 and 1,599,155,292.28 is: 2,398,717,130.80
Step by Step Solution
- Step 1: Write the proportion equation
3,490,495,602.32 : 5,235,708,900 = 1,599,155,292.28 : x - Step 2: Convert to fraction form
3,490,495,602.32/5,235,708,900 = 1,599,155,292.28/x - Step 3: Cross multiply
3,490,495,602.32x = 5,235,708,900 × 1,599,155,292.28 - Step 4: Simplify right side
3,490,495,602.32x = 8,372,711,596,278,779,904 - Step 5: Solve for x
x = 8,372,711,596,278,779,904/3,490,495,602.32 - Step 6: Final answer
x = 2,398,717,130.80
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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.