Finding the Fourth Proportional to 463,648,822.40, 695,473,233.60 and 457,602,204.80
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Solution
The fourth proportional to 463,648,822.40, 695,473,233.60 and 457,602,204.80 is: 686,403,307.20
Step by Step Solution
- Step 1: Write the proportion equation
463,648,822.40 : 695,473,233.60 = 457,602,204.80 : x - Step 2: Convert to fraction form
463,648,822.40/695,473,233.60 = 457,602,204.80/x - Step 3: Cross multiply
463,648,822.40x = 695,473,233.60 × 457,602,204.80 - Step 4: Simplify right side
463,648,822.40x = 318,250,085,074,745,472 - Step 5: Solve for x
x = 318,250,085,074,745,472/463,648,822.40 - Step 6: Final answer
x = 686,403,307.20
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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.