Finding the Fourth Proportional to 1,885,773,713,126.70, 2,602,851,920,161.70 and 1,228,218,358,220
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Solution
The fourth proportional to 1,885,773,713,126.70, 2,602,851,920,161.70 and 1,228,218,358,220 is: 1,695,256,694,807.89
Step by Step Solution
- Step 1: Write the proportion equation
1,885,773,713,126.70 : 2,602,851,920,161.70 = 1,228,218,358,220 : x - Step 2: Convert to fraction form
1,885,773,713,126.70/2,602,851,920,161.70 = 1,228,218,358,220/x - Step 3: Cross multiply
1,885,773,713,126.70x = 2,602,851,920,161.70 × 1,228,218,358,220 - Step 4: Simplify right side
1,885,773,713,126.70x = 3,196,870,512,070,777,834,045,440 - Step 5: Solve for x
x = 3,196,870,512,070,777,834,045,440/1,885,773,713,126.70 - Step 6: Final answer
x = 1,695,256,694,807.89
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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.