Finding the Fourth Proportional to 1,474,565,798.88, 2,034,819,132.48 and 805,377,605.76
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Solution
The fourth proportional to 1,474,565,798.88, 2,034,819,132.48 and 805,377,605.76 is: 1,111,376,489.48
Step by Step Solution
- Step 1: Write the proportion equation
1,474,565,798.88 : 2,034,819,132.48 = 805,377,605.76 : x - Step 2: Convert to fraction form
1,474,565,798.88/2,034,819,132.48 = 805,377,605.76/x - Step 3: Cross multiply
1,474,565,798.88x = 2,034,819,132.48 × 805,377,605.76 - Step 4: Simplify right side
1,474,565,798.88x = 1,638,797,761,071,382,528 - Step 5: Solve for x
x = 1,638,797,761,071,382,528/1,474,565,798.88 - Step 6: Final answer
x = 1,111,376,489.48
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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.