Finding the Fourth Proportional to 539,136,691.80, 808,705,037.70 and 524,020,147.80
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Solution
The fourth proportional to 539,136,691.80, 808,705,037.70 and 524,020,147.80 is: 786,030,221.70
Step by Step Solution
- Step 1: Write the proportion equation
539,136,691.80 : 808,705,037.70 = 524,020,147.80 : x - Step 2: Convert to fraction form
539,136,691.80/808,705,037.70 = 524,020,147.80/x - Step 3: Cross multiply
539,136,691.80x = 808,705,037.70 × 524,020,147.80 - Step 4: Simplify right side
539,136,691.80x = 423,777,733,382,158,592 - Step 5: Solve for x
x = 423,777,733,382,158,592/539,136,691.80 - Step 6: Final answer
x = 786,030,221.70
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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.