Finding the Fourth Proportional to 717,725,665,914.84, 990,246,391,379.12 and 413,223,492,773.88
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Solution
The fourth proportional to 717,725,665,914.84, 990,246,391,379.12 and 413,223,492,773.88 is: 570,124,620,011.80
Step by Step Solution
- Step 1: Write the proportion equation
717,725,665,914.84 : 990,246,391,379.12 = 413,223,492,773.88 : x - Step 2: Convert to fraction form
717,725,665,914.84/990,246,391,379.12 = 413,223,492,773.88/x - Step 3: Cross multiply
717,725,665,914.84x = 990,246,391,379.12 × 413,223,492,773.88 - Step 4: Simplify right side
717,725,665,914.84x = 409,193,072,552,410,508,951,552 - Step 5: Solve for x
x = 409,193,072,552,410,508,951,552/717,725,665,914.84 - Step 6: Final answer
x = 570,124,620,011.80
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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.