Finding the Fourth Proportional to 579,897,430.55, 869,927,841.04 and 186,292,269.23
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Solution
The fourth proportional to 579,897,430.55, 869,927,841.04 and 186,292,269.23 is: 279,464,648.47
Step by Step Solution
- Step 1: Write the proportion equation
579,897,430.55 : 869,927,841.04 = 186,292,269.23 : x - Step 2: Convert to fraction form
579,897,430.55/869,927,841.04 = 186,292,269.23/x - Step 3: Cross multiply
579,897,430.55x = 869,927,841.04 × 186,292,269.23 - Step 4: Simplify right side
579,897,430.55x = 162,060,831,576,582,048 - Step 5: Solve for x
x = 162,060,831,576,582,048/579,897,430.55 - Step 6: Final answer
x = 279,464,648.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.