Finding the Fourth Proportional to 374,113,844.57, 561,031,197.98 and 128,400,753.21
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Solution
The fourth proportional to 374,113,844.57, 561,031,197.98 and 128,400,753.21 is: 192,553,227.96
Step by Step Solution
- Step 1: Write the proportion equation
374,113,844.57 : 561,031,197.98 = 128,400,753.21 : x - Step 2: Convert to fraction form
374,113,844.57/561,031,197.98 = 128,400,753.21/x - Step 3: Cross multiply
374,113,844.57x = 561,031,197.98 × 128,400,753.21 - Step 4: Simplify right side
374,113,844.57x = 72,036,828,394,298,624 - Step 5: Solve for x
x = 72,036,828,394,298,624/374,113,844.57 - Step 6: Final answer
x = 192,553,227.96
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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.