Finding the Fourth Proportional to 292,240,128.64, 403,138,478.58 and 180,695,312.92
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Solution
The fourth proportional to 292,240,128.64, 403,138,478.58 and 180,695,312.92 is: 249,264,992.72
Step by Step Solution
- Step 1: Write the proportion equation
292,240,128.64 : 403,138,478.58 = 180,695,312.92 : x - Step 2: Convert to fraction form
292,240,128.64/403,138,478.58 = 180,695,312.92/x - Step 3: Cross multiply
292,240,128.64x = 403,138,478.58 × 180,695,312.92 - Step 4: Simplify right side
292,240,128.64x = 72,845,233,537,105,808 - Step 5: Solve for x
x = 72,845,233,537,105,808/292,240,128.64 - Step 6: Final answer
x = 249,264,992.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.