Finding the Fourth Proportional to 1,119,348,214,595.40, 1,679,190,204,455.80 and 393,151,549,037.53
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Solution
The fourth proportional to 1,119,348,214,595.40, 1,679,190,204,455.80 and 393,151,549,037.53 is: 589,786,289,380.09
Step by Step Solution
- Step 1: Write the proportion equation
1,119,348,214,595.40 : 1,679,190,204,455.80 = 393,151,549,037.53 : x - Step 2: Convert to fraction form
1,119,348,214,595.40/1,679,190,204,455.80 = 393,151,549,037.53/x - Step 3: Cross multiply
1,119,348,214,595.40x = 1,679,190,204,455.80 × 393,151,549,037.53 - Step 4: Simplify right side
1,119,348,214,595.40x = 660,176,230,010,444,494,929,920 - Step 5: Solve for x
x = 660,176,230,010,444,494,929,920/1,119,348,214,595.40 - Step 6: Final answer
x = 589,786,289,380.09
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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.