Finding the Fourth Proportional to 364,726,963.95, 503,327,270.69 and 197,466,870.12
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Solution
The fourth proportional to 364,726,963.95, 503,327,270.69 and 197,466,870.12 is: 272,506,479.12
Step by Step Solution
- Step 1: Write the proportion equation
364,726,963.95 : 503,327,270.69 = 197,466,870.12 : x - Step 2: Convert to fraction form
364,726,963.95/503,327,270.69 = 197,466,870.12/x - Step 3: Cross multiply
364,726,963.95x = 503,327,270.69 × 197,466,870.12 - Step 4: Simplify right side
364,726,963.95x = 99,390,460,785,692,352 - Step 5: Solve for x
x = 99,390,460,785,692,352/364,726,963.95 - Step 6: Final answer
x = 272,506,479.12
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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.