Finding the Fourth Proportional to 1,620,307,798.60, 2,430,528,053.10 and 471,450,454.60
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Solution
The fourth proportional to 1,620,307,798.60, 2,430,528,053.10 and 471,450,454.60 is: 707,194,988.84
Step by Step Solution
- Step 1: Write the proportion equation
1,620,307,798.60 : 2,430,528,053.10 = 471,450,454.60 : x - Step 2: Convert to fraction form
1,620,307,798.60/2,430,528,053.10 = 471,450,454.60/x - Step 3: Cross multiply
1,620,307,798.60x = 2,430,528,053.10 × 471,450,454.60 - Step 4: Simplify right side
1,620,307,798.60x = 1,145,873,555,552,048,000 - Step 5: Solve for x
x = 1,145,873,555,552,048,000/1,620,307,798.60 - Step 6: Final answer
x = 707,194,988.84
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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.