Finding the Fourth Proportional to 286,272,001.30, 429,408,001.95 and 266,998,407.70
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Solution
The fourth proportional to 286,272,001.30, 429,408,001.95 and 266,998,407.70 is: 400,497,611.55
Step by Step Solution
- Step 1: Write the proportion equation
286,272,001.30 : 429,408,001.95 = 266,998,407.70 : x - Step 2: Convert to fraction form
286,272,001.30/429,408,001.95 = 266,998,407.70/x - Step 3: Cross multiply
286,272,001.30x = 429,408,001.95 × 266,998,407.70 - Step 4: Simplify right side
286,272,001.30x = 114,651,252,774,288,480 - Step 5: Solve for x
x = 114,651,252,774,288,480/286,272,001.30 - Step 6: Final answer
x = 400,497,611.55
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1.5x scale
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.