Finding the Fourth Proportional to 1,146,168,432.42, 1,581,717,793.14 and 651,158,303.46
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Solution
The fourth proportional to 1,146,168,432.42, 1,581,717,793.14 and 651,158,303.46 is: 898,601,501.84
Step by Step Solution
- Step 1: Write the proportion equation
1,146,168,432.42 : 1,581,717,793.14 = 651,158,303.46 : x - Step 2: Convert to fraction form
1,146,168,432.42/1,581,717,793.14 = 651,158,303.46/x - Step 3: Cross multiply
1,146,168,432.42x = 1,581,717,793.14 × 651,158,303.46 - Step 4: Simplify right side
1,146,168,432.42x = 1,029,948,674,733,537,792 - Step 5: Solve for x
x = 1,029,948,674,733,537,792/1,146,168,432.42 - Step 6: Final answer
x = 898,601,501.84
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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.