Finding the Fourth Proportional to 524,779,009.92, 724,190,785.92 and 289,845,774
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Solution
The fourth proportional to 524,779,009.92, 724,190,785.92 and 289,845,774 is: 399,984,821.99
Step by Step Solution
- Step 1: Write the proportion equation
524,779,009.92 : 724,190,785.92 = 289,845,774 : x - Step 2: Convert to fraction form
524,779,009.92/724,190,785.92 = 289,845,774/x - Step 3: Cross multiply
524,779,009.92x = 724,190,785.92 × 289,845,774 - Step 4: Simplify right side
524,779,009.92x = 209,903,638,868,650,688 - Step 5: Solve for x
x = 209,903,638,868,650,688/524,779,009.92 - Step 6: Final answer
x = 399,984,821.99
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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.