Finding the Fourth Proportional to 353,358,031.68, 530,037,182.16 and 352,847,413.62
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Solution
The fourth proportional to 353,358,031.68, 530,037,182.16 and 352,847,413.62 is: 529,271,254.88
Step by Step Solution
- Step 1: Write the proportion equation
353,358,031.68 : 530,037,182.16 = 352,847,413.62 : x - Step 2: Convert to fraction form
353,358,031.68/530,037,182.16 = 352,847,413.62/x - Step 3: Cross multiply
353,358,031.68x = 530,037,182.16 × 352,847,413.62 - Step 4: Simplify right side
353,358,031.68x = 187,022,248,847,588,832 - Step 5: Solve for x
x = 187,022,248,847,588,832/353,358,031.68 - Step 6: Final answer
x = 529,271,254.88
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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.