Finding the Fourth Proportional to 473,271,499.19, 653,148,465.63 and 261,573,775.58
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Solution
The fourth proportional to 473,271,499.19, 653,148,465.63 and 261,573,775.58 is: 360,990,489.52
Step by Step Solution
- Step 1: Write the proportion equation
473,271,499.19 : 653,148,465.63 = 261,573,775.58 : x - Step 2: Convert to fraction form
473,271,499.19/653,148,465.63 = 261,573,775.58/x - Step 3: Cross multiply
473,271,499.19x = 653,148,465.63 × 261,573,775.58 - Step 4: Simplify right side
473,271,499.19x = 170,846,510,169,122,976 - Step 5: Solve for x
x = 170,846,510,169,122,976/473,271,499.19 - Step 6: Final answer
x = 360,990,489.52
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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.