Finding the Fourth Proportional to 983,753,292.25, 1,357,578,392.84 and 537,719,584.87
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Solution
The fourth proportional to 983,753,292.25, 1,357,578,392.84 and 537,719,584.87 is: 742,052,398.28
Step by Step Solution
- Step 1: Write the proportion equation
983,753,292.25 : 1,357,578,392.84 = 537,719,584.87 : x - Step 2: Convert to fraction form
983,753,292.25/1,357,578,392.84 = 537,719,584.87/x - Step 3: Cross multiply
983,753,292.25x = 1,357,578,392.84 × 537,719,584.87 - Step 4: Simplify right side
983,753,292.25x = 729,996,489,826,406,528 - Step 5: Solve for x
x = 729,996,489,826,406,528/983,753,292.25 - Step 6: Final answer
x = 742,052,398.28
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1.5x scale
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.