Finding the Fourth Proportional to 1,454,748,604.88, 2,182,141,802.99 and 485,400,220.88
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Solution
The fourth proportional to 1,454,748,604.88, 2,182,141,802.99 and 485,400,220.88 is: 728,106,636.16
Step by Step Solution
- Step 1: Write the proportion equation
1,454,748,604.88 : 2,182,141,802.99 = 485,400,220.88 : x - Step 2: Convert to fraction form
1,454,748,604.88/2,182,141,802.99 = 485,400,220.88/x - Step 3: Cross multiply
1,454,748,604.88x = 2,182,141,802.99 × 485,400,220.88 - Step 4: Simplify right side
1,454,748,604.88x = 1,059,212,113,153,130,112 - Step 5: Solve for x
x = 1,059,212,113,153,130,112/1,454,748,604.88 - Step 6: Final answer
x = 728,106,636.16
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Double scale
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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.