Finding the Fourth Proportional to 1,770,203,862.47, 2,442,817,288.53 and 977,232,814.70
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Solution
The fourth proportional to 1,770,203,862.47, 2,442,817,288.53 and 977,232,814.70 is: 1,348,545,930.37
Step by Step Solution
- Step 1: Write the proportion equation
1,770,203,862.47 : 2,442,817,288.53 = 977,232,814.70 : x - Step 2: Convert to fraction form
1,770,203,862.47/2,442,817,288.53 = 977,232,814.70/x - Step 3: Cross multiply
1,770,203,862.47x = 2,442,817,288.53 × 977,232,814.70 - Step 4: Simplify right side
1,770,203,862.47x = 2,387,201,214,669,508,608 - Step 5: Solve for x
x = 2,387,201,214,669,508,608/1,770,203,862.47 - Step 6: Final answer
x = 1,348,545,930.37
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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.