Finding the Fourth Proportional to 1,557,567,092,124.10, 2,149,455,207,605.40 and 863,119,249,846.98
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Solution
The fourth proportional to 1,557,567,092,124.10, 2,149,455,207,605.40 and 863,119,249,846.98 is: 1,191,111,558,371.47
Step by Step Solution
- Step 1: Write the proportion equation
1,557,567,092,124.10 : 2,149,455,207,605.40 = 863,119,249,846.98 : x - Step 2: Convert to fraction form
1,557,567,092,124.10/2,149,455,207,605.40 = 863,119,249,846.98/x - Step 3: Cross multiply
1,557,567,092,124.10x = 2,149,455,207,605.40 × 863,119,249,846.98 - Step 4: Simplify right side
1,557,567,092,124.10x = 1,855,236,166,368,057,452,658,688 - Step 5: Solve for x
x = 1,855,236,166,368,057,452,658,688/1,557,567,092,124.10 - Step 6: Final answer
x = 1,191,111,558,371.47
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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.