Finding the Fourth Proportional to 602,813,220.12, 831,644,837.82 and 348,326,420.58
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Solution
The fourth proportional to 602,813,220.12, 831,644,837.82 and 348,326,420.58 is: 480,553,279.00
Step by Step Solution
- Step 1: Write the proportion equation
602,813,220.12 : 831,644,837.82 = 348,326,420.58 : x - Step 2: Convert to fraction form
602,813,220.12/831,644,837.82 = 348,326,420.58/x - Step 3: Cross multiply
602,813,220.12x = 831,644,837.82 × 348,326,420.58 - Step 4: Simplify right side
602,813,220.12x = 289,683,869,551,675,200 - Step 5: Solve for x
x = 289,683,869,551,675,200/602,813,220.12 - Step 6: Final answer
x = 480,553,279.00
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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.