Finding the Fourth Proportional to 865,375,530.12, 1,194,240,464.64 and 531,032,776.47
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Solution
The fourth proportional to 865,375,530.12, 1,194,240,464.64 and 531,032,776.47 is: 732,838,874.73
Step by Step Solution
- Step 1: Write the proportion equation
865,375,530.12 : 1,194,240,464.64 = 531,032,776.47 : x - Step 2: Convert to fraction form
865,375,530.12/1,194,240,464.64 = 531,032,776.47/x - Step 3: Cross multiply
865,375,530.12x = 1,194,240,464.64 × 531,032,776.47 - Step 4: Simplify right side
865,375,530.12x = 634,180,829,710,602,112 - Step 5: Solve for x
x = 634,180,829,710,602,112/865,375,530.12 - Step 6: Final answer
x = 732,838,874.73
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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.