Finding the Fourth Proportional to 69,303,369,689.68, 95,639,211,714.35 and 38,404,170,652.80
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Solution
The fourth proportional to 69,303,369,689.68, 95,639,211,714.35 and 38,404,170,652.80 is: 52,998,066,677.33
Step by Step Solution
- Step 1: Write the proportion equation
69,303,369,689.68 : 95,639,211,714.35 = 38,404,170,652.80 : x - Step 2: Convert to fraction form
69,303,369,689.68/95,639,211,714.35 = 38,404,170,652.80/x - Step 3: Cross multiply
69,303,369,689.68x = 95,639,211,714.35 × 38,404,170,652.80 - Step 4: Simplify right side
69,303,369,689.68x = 3,672,944,607,777,166,721,024 - Step 5: Solve for x
x = 3,672,944,607,777,166,721,024/69,303,369,689.68 - Step 6: Final answer
x = 52,998,066,677.33
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1.5x scale
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.