Finding the Fourth Proportional to 553,361,101.48, 763,637,672.98 and 302,467,141.08
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Solution
The fourth proportional to 553,361,101.48, 763,637,672.98 and 302,467,141.08 is: 417,404,301.00
Step by Step Solution
- Step 1: Write the proportion equation
553,361,101.48 : 763,637,672.98 = 302,467,141.08 : x - Step 2: Convert to fraction form
553,361,101.48/763,637,672.98 = 302,467,141.08/x - Step 3: Cross multiply
553,361,101.48x = 763,637,672.98 × 302,467,141.08 - Step 4: Simplify right side
553,361,101.48x = 230,975,303,765,732,224 - Step 5: Solve for x
x = 230,975,303,765,732,224/553,361,101.48 - Step 6: Final answer
x = 417,404,301.00
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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.