Finding the Fourth Proportional to 1,708,558,501.36, 2,357,902,279.20 and 955,826,772.88
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Solution
The fourth proportional to 1,708,558,501.36, 2,357,902,279.20 and 955,826,772.88 is: 1,319,092,161.32
Step by Step Solution
- Step 1: Write the proportion equation
1,708,558,501.36 : 2,357,902,279.20 = 955,826,772.88 : x - Step 2: Convert to fraction form
1,708,558,501.36/2,357,902,279.20 = 955,826,772.88/x - Step 3: Cross multiply
1,708,558,501.36x = 2,357,902,279.20 × 955,826,772.88 - Step 4: Simplify right side
1,708,558,501.36x = 2,253,746,126,294,132,480 - Step 5: Solve for x
x = 2,253,746,126,294,132,480/1,708,558,501.36 - Step 6: Final answer
x = 1,319,092,161.32
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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.