Finding the Fourth Proportional to 772,652,516.64, 1,159,455,485.04 and 358,052,058.96
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Solution
The fourth proportional to 772,652,516.64, 1,159,455,485.04 and 358,052,058.96 is: 537,298,998.90
Step by Step Solution
- Step 1: Write the proportion equation
772,652,516.64 : 1,159,455,485.04 = 358,052,058.96 : x - Step 2: Convert to fraction form
772,652,516.64/1,159,455,485.04 = 358,052,058.96/x - Step 3: Cross multiply
772,652,516.64x = 1,159,455,485.04 × 358,052,058.96 - Step 4: Simplify right side
772,652,516.64x = 415,145,423,691,037,440 - Step 5: Solve for x
x = 415,145,423,691,037,440/772,652,516.64 - Step 6: Final answer
x = 537,298,998.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.