Finding the Fourth Proportional to 1,031,918,459.60, 1,548,543,616.26 and 376,814,636.48
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Solution
The fourth proportional to 1,031,918,459.60, 1,548,543,616.26 and 376,814,636.48 is: 565,465,124.12
Step by Step Solution
- Step 1: Write the proportion equation
1,031,918,459.60 : 1,548,543,616.26 = 376,814,636.48 : x - Step 2: Convert to fraction form
1,031,918,459.60/1,548,543,616.26 = 376,814,636.48/x - Step 3: Cross multiply
1,031,918,459.60x = 1,548,543,616.26 × 376,814,636.48 - Step 4: Simplify right side
1,031,918,459.60x = 583,513,899,834,436,480 - Step 5: Solve for x
x = 583,513,899,834,436,480/1,031,918,459.60 - Step 6: Final answer
x = 565,465,124.12
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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.