Finding the Fourth Proportional to 532,238,354.80, 798,357,532.20 and 302,118,521.20
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Solution
The fourth proportional to 532,238,354.80, 798,357,532.20 and 302,118,521.20 is: 453,177,781.80
Step by Step Solution
- Step 1: Write the proportion equation
532,238,354.80 : 798,357,532.20 = 302,118,521.20 : x - Step 2: Convert to fraction form
532,238,354.80/798,357,532.20 = 302,118,521.20/x - Step 3: Cross multiply
532,238,354.80x = 798,357,532.20 × 302,118,521.20 - Step 4: Simplify right side
532,238,354.80x = 241,198,597,017,145,376 - Step 5: Solve for x
x = 241,198,597,017,145,376/532,238,354.80 - Step 6: Final answer
x = 453,177,781.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.