Finding the Fourth Proportional to 560,985,655.80, 841,478,483.70 and 465,434,167.80
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Solution
The fourth proportional to 560,985,655.80, 841,478,483.70 and 465,434,167.80 is: 698,151,251.70
Step by Step Solution
- Step 1: Write the proportion equation
560,985,655.80 : 841,478,483.70 = 465,434,167.80 : x - Step 2: Convert to fraction form
560,985,655.80/841,478,483.70 = 465,434,167.80/x - Step 3: Cross multiply
560,985,655.80x = 841,478,483.70 × 465,434,167.80 - Step 4: Simplify right side
560,985,655.80x = 391,652,837,782,515,392 - Step 5: Solve for x
x = 391,652,837,782,515,392/560,985,655.80 - Step 6: Final answer
x = 698,151,251.70
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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.