Finding the Fourth Proportional to 563,092,431.84, 845,124,916.08 and 390,690,314.16
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Solution
The fourth proportional to 563,092,431.84, 845,124,916.08 and 390,690,314.16 is: 586,372,858.70
Step by Step Solution
- Step 1: Write the proportion equation
563,092,431.84 : 845,124,916.08 = 390,690,314.16 : x - Step 2: Convert to fraction form
563,092,431.84/845,124,916.08 = 390,690,314.16/x - Step 3: Cross multiply
563,092,431.84x = 845,124,916.08 × 390,690,314.16 - Step 4: Simplify right side
563,092,431.84x = 330,182,118,967,738,880 - Step 5: Solve for x
x = 330,182,118,967,738,880/563,092,431.84 - Step 6: Final answer
x = 586,372,858.70
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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.