Finding the Fourth Proportional to 447,808,511.80, 671,712,767.70 and 447,808,511.80
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Solution
The fourth proportional to 447,808,511.80, 671,712,767.70 and 447,808,511.80 is: 671,712,767.70
Step by Step Solution
- Step 1: Write the proportion equation
447,808,511.80 : 671,712,767.70 = 447,808,511.80 : x - Step 2: Convert to fraction form
447,808,511.80/671,712,767.70 = 447,808,511.80/x - Step 3: Cross multiply
447,808,511.80x = 671,712,767.70 × 447,808,511.80 - Step 4: Simplify right side
447,808,511.80x = 300,798,694,860,796,160 - Step 5: Solve for x
x = 300,798,694,860,796,160/447,808,511.80 - Step 6: Final answer
x = 671,712,767.70
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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.