Finding the Fourth Proportional to 1,312,031,424,434.90, 1,965,898,000,941.20 and 698,759,865,107.95
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Solution
The fourth proportional to 1,312,031,424,434.90, 1,965,898,000,941.20 and 698,759,865,107.95 is: 1,046,995,213,963.96
Step by Step Solution
- Step 1: Write the proportion equation
1,312,031,424,434.90 : 1,965,898,000,941.20 = 698,759,865,107.95 : x - Step 2: Convert to fraction form
1,312,031,424,434.90/1,965,898,000,941.20 = 698,759,865,107.95/x - Step 3: Cross multiply
1,312,031,424,434.90x = 1,965,898,000,941.20 × 698,759,865,107.95 - Step 4: Simplify right side
1,312,031,424,434.90x = 1,373,690,621,953,661,229,596,672 - Step 5: Solve for x
x = 1,373,690,621,953,661,229,596,672/1,312,031,424,434.90 - Step 6: Final answer
x = 1,046,995,213,963.96
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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.