Finding the Fourth Proportional to 949,713,564.07, 1,310,603,724.42 and 532,028,789.51
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Solution
The fourth proportional to 949,713,564.07, 1,310,603,724.42 and 532,028,789.51 is: 734,199,172.69
Step by Step Solution
- Step 1: Write the proportion equation
949,713,564.07 : 1,310,603,724.42 = 532,028,789.51 : x - Step 2: Convert to fraction form
949,713,564.07/1,310,603,724.42 = 532,028,789.51/x - Step 3: Cross multiply
949,713,564.07x = 1,310,603,724.42 × 532,028,789.51 - Step 4: Simplify right side
949,713,564.07x = 697,278,913,030,817,152 - Step 5: Solve for x
x = 697,278,913,030,817,152/949,713,564.07 - Step 6: Final answer
x = 734,199,172.69
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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.