Finding the Fourth Proportional to 583,460,709.13, 805,178,204.49 and 315,536,541.61
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Solution
The fourth proportional to 583,460,709.13, 805,178,204.49 and 315,536,541.61 is: 435,441,739.34
Step by Step Solution
- Step 1: Write the proportion equation
583,460,709.13 : 805,178,204.49 = 315,536,541.61 : x - Step 2: Convert to fraction form
583,460,709.13/805,178,204.49 = 315,536,541.61/x - Step 3: Cross multiply
583,460,709.13x = 805,178,204.49 × 315,536,541.61 - Step 4: Simplify right side
583,460,709.13x = 254,063,146,021,330,944 - Step 5: Solve for x
x = 254,063,146,021,330,944/583,460,709.13 - Step 6: Final answer
x = 435,441,739.34
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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.