Finding the Fourth Proportional to 1,574,642,726.70, 2,361,964,090.05 and 483,984,077.10
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Solution
The fourth proportional to 1,574,642,726.70, 2,361,964,090.05 and 483,984,077.10 is: 725,976,115.65
Step by Step Solution
- Step 1: Write the proportion equation
1,574,642,726.70 : 2,361,964,090.05 = 483,984,077.10 : x - Step 2: Convert to fraction form
1,574,642,726.70/2,361,964,090.05 = 483,984,077.10/x - Step 3: Cross multiply
1,574,642,726.70x = 2,361,964,090.05 × 483,984,077.10 - Step 4: Simplify right side
1,574,642,726.70x = 1,143,153,010,266,190,720 - Step 5: Solve for x
x = 1,143,153,010,266,190,720/1,574,642,726.70 - Step 6: Final answer
x = 725,976,115.65
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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.