Finding the Fourth Proportional to 1,158,811,703.40, 1,738,217,555.10 and 1,031,832,733.80
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Solution
The fourth proportional to 1,158,811,703.40, 1,738,217,555.10 and 1,031,832,733.80 is: 1,547,749,100.70
Step by Step Solution
- Step 1: Write the proportion equation
1,158,811,703.40 : 1,738,217,555.10 = 1,031,832,733.80 : x - Step 2: Convert to fraction form
1,158,811,703.40/1,738,217,555.10 = 1,031,832,733.80/x - Step 3: Cross multiply
1,158,811,703.40x = 1,738,217,555.10 × 1,031,832,733.80 - Step 4: Simplify right side
1,158,811,703.40x = 1,793,549,771,817,985,024 - Step 5: Solve for x
x = 1,793,549,771,817,985,024/1,158,811,703.40 - Step 6: Final answer
x = 1,547,749,100.70
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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.