Finding the Fourth Proportional to 1,252,510,774.08, 1,878,021,874.80 and 476,213,254.08
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Solution
The fourth proportional to 1,252,510,774.08, 1,878,021,874.80 and 476,213,254.08 is: 714,036,898.32
Step by Step Solution
- Step 1: Write the proportion equation
1,252,510,774.08 : 1,878,021,874.80 = 476,213,254.08 : x - Step 2: Convert to fraction form
1,252,510,774.08/1,878,021,874.80 = 476,213,254.08/x - Step 3: Cross multiply
1,252,510,774.08x = 1,878,021,874.80 × 476,213,254.08 - Step 4: Simplify right side
1,252,510,774.08x = 894,338,908,231,930,240 - Step 5: Solve for x
x = 894,338,908,231,930,240/1,252,510,774.08 - Step 6: Final answer
x = 714,036,898.32
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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.