Finding the Fourth Proportional to 1,159,050,621.60, 1,599,344,681.92 and 783,524,279.92
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Solution
The fourth proportional to 1,159,050,621.60, 1,599,344,681.92 and 783,524,279.92 is: 1,081,165,366.63
Step by Step Solution
- Step 1: Write the proportion equation
1,159,050,621.60 : 1,599,344,681.92 = 783,524,279.92 : x - Step 2: Convert to fraction form
1,159,050,621.60/1,599,344,681.92 = 783,524,279.92/x - Step 3: Cross multiply
1,159,050,621.60x = 1,599,344,681.92 × 783,524,279.92 - Step 4: Simplify right side
1,159,050,621.60x = 1,253,125,390,245,249,536 - Step 5: Solve for x
x = 1,253,125,390,245,249,536/1,159,050,621.60 - Step 6: Final answer
x = 1,081,165,366.63
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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.