Finding the Fourth Proportional to 6,326,564,462.79, 8,730,325,278.92 and 3,613,298,849.76
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Solution
The fourth proportional to 6,326,564,462.79, 8,730,325,278.92 and 3,613,298,849.76 is: 4,986,161,837.74
Step by Step Solution
- Step 1: Write the proportion equation
6,326,564,462.79 : 8,730,325,278.92 = 3,613,298,849.76 : x - Step 2: Convert to fraction form
6,326,564,462.79/8,730,325,278.92 = 3,613,298,849.76/x - Step 3: Cross multiply
6,326,564,462.79x = 8,730,325,278.92 × 3,613,298,849.76 - Step 4: Simplify right side
6,326,564,462.79x = 31,545,274,288,334,225,408 - Step 5: Solve for x
x = 31,545,274,288,334,225,408/6,326,564,462.79 - Step 6: Final answer
x = 4,986,161,837.74
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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.