Finding the Fourth Proportional to 983,710,261.28, 1,357,516,864.80 and 537,673,366.18
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Solution
The fourth proportional to 983,710,261.28, 1,357,516,864.80 and 537,673,366.18 is: 741,987,443.93
Step by Step Solution
- Step 1: Write the proportion equation
983,710,261.28 : 1,357,516,864.80 = 537,673,366.18 : x - Step 2: Convert to fraction form
983,710,261.28/1,357,516,864.80 = 537,673,366.18/x - Step 3: Cross multiply
983,710,261.28x = 1,357,516,864.80 × 537,673,366.18 - Step 4: Simplify right side
983,710,261.28x = 729,900,662,333,660,032 - Step 5: Solve for x
x = 729,900,662,333,660,032/983,710,261.28 - Step 6: Final answer
x = 741,987,443.93
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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.