Finding the Fourth Proportional to 1,966,637,686.58, 2,713,879,248.66 and 1,074,595,035.92
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Solution
The fourth proportional to 1,966,637,686.58, 2,713,879,248.66 and 1,074,595,035.92 is: 1,482,897,021.96
Step by Step Solution
- Step 1: Write the proportion equation
1,966,637,686.58 : 2,713,879,248.66 = 1,074,595,035.92 : x - Step 2: Convert to fraction form
1,966,637,686.58/2,713,879,248.66 = 1,074,595,035.92/x - Step 3: Cross multiply
1,966,637,686.58x = 2,713,879,248.66 × 1,074,595,035.92 - Step 4: Simplify right side
1,966,637,686.58x = 2,916,321,168,696,335,360 - Step 5: Solve for x
x = 2,916,321,168,696,335,360/1,966,637,686.58 - Step 6: Final answer
x = 1,482,897,021.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.