Finding the Fourth Proportional to 342,069,946.80, 513,104,920.20 and 299,023,225.80
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Solution
The fourth proportional to 342,069,946.80, 513,104,920.20 and 299,023,225.80 is: 448,534,838.70
Step by Step Solution
- Step 1: Write the proportion equation
342,069,946.80 : 513,104,920.20 = 299,023,225.80 : x - Step 2: Convert to fraction form
342,069,946.80/513,104,920.20 = 299,023,225.80/x - Step 3: Cross multiply
342,069,946.80x = 513,104,920.20 × 299,023,225.80 - Step 4: Simplify right side
342,069,946.80x = 153,430,288,412,055,584 - Step 5: Solve for x
x = 153,430,288,412,055,584/342,069,946.80 - Step 6: Final answer
x = 448,534,838.70
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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.