Finding the Fourth Proportional to 553,539,230.13, 763,885,512.84 and 302,659,812.57
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Solution
The fourth proportional to 553,539,230.13, 763,885,512.84 and 302,659,812.57 is: 417,671,293.30
Step by Step Solution
- Step 1: Write the proportion equation
553,539,230.13 : 763,885,512.84 = 302,659,812.57 : x - Step 2: Convert to fraction form
553,539,230.13/763,885,512.84 = 302,659,812.57/x - Step 3: Cross multiply
553,539,230.13x = 763,885,512.84 × 302,659,812.57 - Step 4: Simplify right side
553,539,230.13x = 231,197,446,141,092,736 - Step 5: Solve for x
x = 231,197,446,141,092,736/553,539,230.13 - Step 6: Final answer
x = 417,671,293.30
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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.