Finding the Fourth Proportional to 1,708,558,476.96, 2,357,902,246.68 and 955,826,748.66
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Solution
The fourth proportional to 1,708,558,476.96, 2,357,902,246.68 and 955,826,748.66 is: 1,319,092,128.54
Step by Step Solution
- Step 1: Write the proportion equation
1,708,558,476.96 : 2,357,902,246.68 = 955,826,748.66 : x - Step 2: Convert to fraction form
1,708,558,476.96/2,357,902,246.68 = 955,826,748.66/x - Step 3: Cross multiply
1,708,558,476.96x = 2,357,902,246.68 × 955,826,748.66 - Step 4: Simplify right side
1,708,558,476.96x = 2,253,746,038,102,253,312 - Step 5: Solve for x
x = 2,253,746,038,102,253,312/1,708,558,476.96 - Step 6: Final answer
x = 1,319,092,128.54
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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.