Finding the Fourth Proportional to 368,363,033.64, 508,292,743.68 and 219,701,602.08
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Solution
The fourth proportional to 368,363,033.64, 508,292,743.68 and 219,701,602.08 is: 303,159,437.60
Step by Step Solution
- Step 1: Write the proportion equation
368,363,033.64 : 508,292,743.68 = 219,701,602.08 : x - Step 2: Convert to fraction form
368,363,033.64/508,292,743.68 = 219,701,602.08/x - Step 3: Cross multiply
368,363,033.64x = 508,292,743.68 × 219,701,602.08 - Step 4: Simplify right side
368,363,033.64x = 111,672,730,112,134,800 - Step 5: Solve for x
x = 111,672,730,112,134,800/368,363,033.64 - Step 6: Final answer
x = 303,159,437.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.