Finding the Fourth Proportional to 762,765,221,122.65, 1,143,750,551,652.60 and 359,740,479,050.19
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Solution
The fourth proportional to 762,765,221,122.65, 1,143,750,551,652.60 and 359,740,479,050.19 is: 539,423,350,686.92
Step by Step Solution
- Step 1: Write the proportion equation
762,765,221,122.65 : 1,143,750,551,652.60 = 359,740,479,050.19 : x - Step 2: Convert to fraction form
762,765,221,122.65/1,143,750,551,652.60 = 359,740,479,050.19/x - Step 3: Cross multiply
762,765,221,122.65x = 1,143,750,551,652.60 × 359,740,479,050.19 - Step 4: Simplify right side
762,765,221,122.65x = 411,453,371,365,425,439,309,824 - Step 5: Solve for x
x = 411,453,371,365,425,439,309,824/762,765,221,122.65 - Step 6: Final answer
x = 539,423,350,686.92
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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.