Finding the Fourth Proportional to 1,142,592,270.98, 1,576,949,691.93 and 696,814,253.06
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Solution
The fourth proportional to 1,142,592,270.98, 1,576,949,691.93 and 696,814,253.06 is: 961,708,782.39
Step by Step Solution
- Step 1: Write the proportion equation
1,142,592,270.98 : 1,576,949,691.93 = 696,814,253.06 : x - Step 2: Convert to fraction form
1,142,592,270.98/1,576,949,691.93 = 696,814,253.06/x - Step 3: Cross multiply
1,142,592,270.98x = 1,576,949,691.93 × 696,814,253.06 - Step 4: Simplify right side
1,142,592,270.98x = 1,098,841,021,695,400,064 - Step 5: Solve for x
x = 1,098,841,021,695,400,064/1,142,592,270.98 - Step 6: Final answer
x = 961,708,782.39
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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.