Finding the Fourth Proportional to 2,642,210,539.60, 3,963,315,809.40 and 1,771,497,605.20
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Solution
The fourth proportional to 2,642,210,539.60, 3,963,315,809.40 and 1,771,497,605.20 is: 2,657,246,407.80
Step by Step Solution
- Step 1: Write the proportion equation
2,642,210,539.60 : 3,963,315,809.40 = 1,771,497,605.20 : x - Step 2: Convert to fraction form
2,642,210,539.60/3,963,315,809.40 = 1,771,497,605.20/x - Step 3: Cross multiply
2,642,210,539.60x = 3,963,315,809.40 × 1,771,497,605.20 - Step 4: Simplify right side
2,642,210,539.60x = 7,021,004,465,003,400,192 - Step 5: Solve for x
x = 7,021,004,465,003,400,192/2,642,210,539.60 - Step 6: Final answer
x = 2,657,246,407.80
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1.5x scale
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.