Finding the Fourth Proportional to 391,773,588,454.44, 587,387,159,811.42 and 173,588,366,580.48
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Solution
The fourth proportional to 391,773,588,454.44, 587,387,159,811.42 and 173,588,366,580.48 is: 260,261,489,357.31
Step by Step Solution
- Step 1: Write the proportion equation
391,773,588,454.44 : 587,387,159,811.42 = 173,588,366,580.48 : x - Step 2: Convert to fraction form
391,773,588,454.44/587,387,159,811.42 = 173,588,366,580.48/x - Step 3: Cross multiply
391,773,588,454.44x = 587,387,159,811.42 × 173,588,366,580.48 - Step 4: Simplify right side
391,773,588,454.44x = 101,963,577,622,011,781,840,896 - Step 5: Solve for x
x = 101,963,577,622,011,781,840,896/391,773,588,454.44 - Step 6: Final answer
x = 260,261,489,357.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.