Finding the Fourth Proportional to 2,291,919,132.13, 3,437,874,407.34 and 718,146,917.63
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Solution
The fourth proportional to 2,291,919,132.13, 3,437,874,407.34 and 718,146,917.63 is: 1,077,219,031.95
Step by Step Solution
- Step 1: Write the proportion equation
2,291,919,132.13 : 3,437,874,407.34 = 718,146,917.63 : x - Step 2: Convert to fraction form
2,291,919,132.13/3,437,874,407.34 = 718,146,917.63/x - Step 3: Cross multiply
2,291,919,132.13x = 3,437,874,407.34 × 718,146,917.63 - Step 4: Simplify right side
2,291,919,132.13x = 2,468,898,908,828,715,520 - Step 5: Solve for x
x = 2,468,898,908,828,715,520/2,291,919,132.13 - Step 6: Final answer
x = 1,077,219,031.95
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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.