Finding the Fourth Proportional to 742,155,527.68, 1,024,186,963.44 and 407,658,979.84
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Solution
The fourth proportional to 742,155,527.68, 1,024,186,963.44 and 407,658,979.84 is: 562,576,167.81
Step by Step Solution
- Step 1: Write the proportion equation
742,155,527.68 : 1,024,186,963.44 = 407,658,979.84 : x - Step 2: Convert to fraction form
742,155,527.68/1,024,186,963.44 = 407,658,979.84/x - Step 3: Cross multiply
742,155,527.68x = 1,024,186,963.44 × 407,658,979.84 - Step 4: Simplify right side
742,155,527.68x = 417,519,012,681,377,792 - Step 5: Solve for x
x = 417,519,012,681,377,792/742,155,527.68 - Step 6: Final answer
x = 562,576,167.81
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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.