Finding the Fourth Proportional to 1,525,905,442.65, 2,285,793,544.57 and 695,717,098.84
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Solution
The fourth proportional to 1,525,905,442.65, 2,285,793,544.57 and 695,717,098.84 is: 1,042,178,374.18
Step by Step Solution
- Step 1: Write the proportion equation
1,525,905,442.65 : 2,285,793,544.57 = 695,717,098.84 : x - Step 2: Convert to fraction form
1,525,905,442.65/2,285,793,544.57 = 695,717,098.84/x - Step 3: Cross multiply
1,525,905,442.65x = 2,285,793,544.57 × 695,717,098.84 - Step 4: Simplify right side
1,525,905,442.65x = 1,590,265,653,367,986,944 - Step 5: Solve for x
x = 1,590,265,653,367,986,944/1,525,905,442.65 - Step 6: Final answer
x = 1,042,178,374.18
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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.