Finding the Fourth Proportional to 510,810,316.40, 704,918,209.44 and 275,860,954.09
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Solution
The fourth proportional to 510,810,316.40, 704,918,209.44 and 275,860,954.09 is: 380,688,101.96
Step by Step Solution
- Step 1: Write the proportion equation
510,810,316.40 : 704,918,209.44 = 275,860,954.09 : x - Step 2: Convert to fraction form
510,810,316.40/704,918,209.44 = 275,860,954.09/x - Step 3: Cross multiply
510,810,316.40x = 704,918,209.44 × 275,860,954.09 - Step 4: Simplify right side
510,810,316.40x = 194,459,409,813,463,808 - Step 5: Solve for x
x = 194,459,409,813,463,808/510,810,316.40 - Step 6: Final answer
x = 380,688,101.96
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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.