Finding the Fourth Proportional to 972,928,776.17, 1,461,721,368.59 and 623,858,750.97
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Solution
The fourth proportional to 972,928,776.17, 1,461,721,368.59 and 623,858,750.97 is: 937,281,011.33
Step by Step Solution
- Step 1: Write the proportion equation
972,928,776.17 : 1,461,721,368.59 = 623,858,750.97 : x - Step 2: Convert to fraction form
972,928,776.17/1,461,721,368.59 = 623,858,750.97/x - Step 3: Cross multiply
972,928,776.17x = 1,461,721,368.59 × 623,858,750.97 - Step 4: Simplify right side
972,928,776.17x = 911,907,667,271,597,184 - Step 5: Solve for x
x = 911,907,667,271,597,184/972,928,776.17 - Step 6: Final answer
x = 937,281,011.33
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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.