Finding the Fourth Proportional to 954,316,774.30, 1,431,475,161.45 and 885,442,020.70
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Solution
The fourth proportional to 954,316,774.30, 1,431,475,161.45 and 885,442,020.70 is: 1,328,163,031.05
Step by Step Solution
- Step 1: Write the proportion equation
954,316,774.30 : 1,431,475,161.45 = 885,442,020.70 : x - Step 2: Convert to fraction form
954,316,774.30/1,431,475,161.45 = 885,442,020.70/x - Step 3: Cross multiply
954,316,774.30x = 1,431,475,161.45 × 885,442,020.70 - Step 4: Simplify right side
954,316,774.30x = 1,267,488,259,536,146,944 - Step 5: Solve for x
x = 1,267,488,259,536,146,944/954,316,774.30 - Step 6: Final answer
x = 1,328,163,031.05
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Double scale
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1.5x scale
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.