Finding the Fourth Proportional to 457,180,210.19, 630,908,209.95 and 248,336,516.18
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Solution
The fourth proportional to 457,180,210.19, 630,908,209.95 and 248,336,516.18 is: 342,704,131.53
Step by Step Solution
- Step 1: Write the proportion equation
457,180,210.19 : 630,908,209.95 = 248,336,516.18 : x - Step 2: Convert to fraction form
457,180,210.19/630,908,209.95 = 248,336,516.18/x - Step 3: Cross multiply
457,180,210.19x = 630,908,209.95 × 248,336,516.18 - Step 4: Simplify right side
457,180,210.19x = 156,677,546,888,989,024 - Step 5: Solve for x
x = 156,677,546,888,989,024/457,180,210.19 - Step 6: Final answer
x = 342,704,131.53
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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.