Finding the Fourth Proportional to 454,270,877.12, 681,406,237.92 and 143,596,582.16
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Solution
The fourth proportional to 454,270,877.12, 681,406,237.92 and 143,596,582.16 is: 215,394,848.66
Step by Step Solution
- Step 1: Write the proportion equation
454,270,877.12 : 681,406,237.92 = 143,596,582.16 : x - Step 2: Convert to fraction form
454,270,877.12/681,406,237.92 = 143,596,582.16/x - Step 3: Cross multiply
454,270,877.12x = 681,406,237.92 × 143,596,582.16 - Step 4: Simplify right side
454,270,877.12x = 97,847,606,827,815,776 - Step 5: Solve for x
x = 97,847,606,827,815,776/454,270,877.12 - Step 6: Final answer
x = 215,394,848.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.