Finding the Fourth Proportional to 1,607,677,412.13, 2,411,248,644.78 and 486,934,608.80
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Solution
The fourth proportional to 1,607,677,412.13, 2,411,248,644.78 and 486,934,608.80 is: 730,320,900.63
Step by Step Solution
- Step 1: Write the proportion equation
1,607,677,412.13 : 2,411,248,644.78 = 486,934,608.80 : x - Step 2: Convert to fraction form
1,607,677,412.13/2,411,248,644.78 = 486,934,608.80/x - Step 3: Cross multiply
1,607,677,412.13x = 2,411,248,644.78 × 486,934,608.80 - Step 4: Simplify right side
1,607,677,412.13x = 1,174,120,415,553,423,360 - Step 5: Solve for x
x = 1,174,120,415,553,423,360/1,607,677,412.13 - Step 6: Final answer
x = 730,320,900.63
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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.