Finding the Fourth Proportional to 260,973,230.79, 359,808,738.14 and 213,756,360.06
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Solution
The fourth proportional to 260,973,230.79, 359,808,738.14 and 213,756,360.06 is: 294,709,943.81
Step by Step Solution
- Step 1: Write the proportion equation
260,973,230.79 : 359,808,738.14 = 213,756,360.06 : x - Step 2: Convert to fraction form
260,973,230.79/359,808,738.14 = 213,756,360.06/x - Step 3: Cross multiply
260,973,230.79x = 359,808,738.14 × 213,756,360.06 - Step 4: Simplify right side
260,973,230.79x = 76,911,406,183,122,480 - Step 5: Solve for x
x = 76,911,406,183,122,480/260,973,230.79 - Step 6: Final answer
x = 294,709,943.81
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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.