Finding the Fourth Proportional to 970,619,387.40, 1,455,785,568.54 and 357,060,124.08
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Solution
The fourth proportional to 970,619,387.40, 1,455,785,568.54 and 357,060,124.08 is: 535,537,392.40
Step by Step Solution
- Step 1: Write the proportion equation
970,619,387.40 : 1,455,785,568.54 = 357,060,124.08 : x - Step 2: Convert to fraction form
970,619,387.40/1,455,785,568.54 = 357,060,124.08/x - Step 3: Cross multiply
970,619,387.40x = 1,455,785,568.54 × 357,060,124.08 - Step 4: Simplify right side
970,619,387.40x = 519,802,975,736,765,696 - Step 5: Solve for x
x = 519,802,975,736,765,696/970,619,387.40 - Step 6: Final answer
x = 535,537,392.40
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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.