Finding the Fourth Proportional to 1,448,735,944.80, 2,173,387,352.40 and 619,687,984.80
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Solution
The fourth proportional to 1,448,735,944.80, 2,173,387,352.40 and 619,687,984.80 is: 929,653,214.88
Step by Step Solution
- Step 1: Write the proportion equation
1,448,735,944.80 : 2,173,387,352.40 = 619,687,984.80 : x - Step 2: Convert to fraction form
1,448,735,944.80/2,173,387,352.40 = 619,687,984.80/x - Step 3: Cross multiply
1,448,735,944.80x = 2,173,387,352.40 × 619,687,984.80 - Step 4: Simplify right side
1,448,735,944.80x = 1,346,822,028,598,563,328 - Step 5: Solve for x
x = 1,346,822,028,598,563,328/1,448,735,944.80 - Step 6: Final answer
x = 929,653,214.88
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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.