Finding the Fourth Proportional to 418,254,169.44, 577,187,563.65 and 230,078,412.75
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Solution
The fourth proportional to 418,254,169.44, 577,187,563.65 and 230,078,412.75 is: 317,506,454.70
Step by Step Solution
- Step 1: Write the proportion equation
418,254,169.44 : 577,187,563.65 = 230,078,412.75 : x - Step 2: Convert to fraction form
418,254,169.44/577,187,563.65 = 230,078,412.75/x - Step 3: Cross multiply
418,254,169.44x = 577,187,563.65 × 230,078,412.75 - Step 4: Simplify right side
418,254,169.44x = 132,798,398,503,631,584 - Step 5: Solve for x
x = 132,798,398,503,631,584/418,254,169.44 - Step 6: Final answer
x = 317,506,454.70
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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.