Finding the Fourth Proportional to 936,943,122.60, 1,292,981,523.12 and 519,282,312.08
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Solution
The fourth proportional to 936,943,122.60, 1,292,981,523.12 and 519,282,312.08 is: 716,609,598.39
Step by Step Solution
- Step 1: Write the proportion equation
936,943,122.60 : 1,292,981,523.12 = 519,282,312.08 : x - Step 2: Convert to fraction form
936,943,122.60/1,292,981,523.12 = 519,282,312.08/x - Step 3: Cross multiply
936,943,122.60x = 1,292,981,523.12 × 519,282,312.08 - Step 4: Simplify right side
936,943,122.60x = 671,422,434,802,473,472 - Step 5: Solve for x
x = 671,422,434,802,473,472/936,943,122.60 - Step 6: Final answer
x = 716,609,598.39
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1.5x scale
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.