Finding the Fourth Proportional to 893,776,326.08, 1,233,391,987.98 and 517,448,781.68
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Solution
The fourth proportional to 893,776,326.08, 1,233,391,987.98 and 517,448,781.68 is: 714,068,120.73
Step by Step Solution
- Step 1: Write the proportion equation
893,776,326.08 : 1,233,391,987.98 = 517,448,781.68 : x - Step 2: Convert to fraction form
893,776,326.08/1,233,391,987.98 = 517,448,781.68/x - Step 3: Cross multiply
893,776,326.08x = 1,233,391,987.98 × 517,448,781.68 - Step 4: Simplify right side
893,776,326.08x = 638,217,181,514,124,160 - Step 5: Solve for x
x = 638,217,181,514,124,160/893,776,326.08 - Step 6: Final answer
x = 714,068,120.73
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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.