Finding the Fourth Proportional to 386,125,326,005.68, 579,271,354,176.12 and 117,535,309,145.20
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Solution
The fourth proportional to 386,125,326,005.68, 579,271,354,176.12 and 117,535,309,145.20 is: 176,328,339,807.08
Step by Step Solution
- Step 1: Write the proportion equation
386,125,326,005.68 : 579,271,354,176.12 = 117,535,309,145.20 : x - Step 2: Convert to fraction form
386,125,326,005.68/579,271,354,176.12 = 117,535,309,145.20/x - Step 3: Cross multiply
386,125,326,005.68x = 579,271,354,176.12 × 117,535,309,145.20 - Step 4: Simplify right side
386,125,326,005.68x = 68,084,837,692,048,905,601,024 - Step 5: Solve for x
x = 68,084,837,692,048,905,601,024/386,125,326,005.68 - Step 6: Final answer
x = 176,328,339,807.08
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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.