Finding the Fourth Proportional to 719,044,125.37, 992,966,204.03 and 679,871,048.75
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Solution
The fourth proportional to 719,044,125.37, 992,966,204.03 and 679,871,048.75 is: 938,870,022.98
Step by Step Solution
- Step 1: Write the proportion equation
719,044,125.37 : 992,966,204.03 = 679,871,048.75 : x - Step 2: Convert to fraction form
719,044,125.37/992,966,204.03 = 679,871,048.75/x - Step 3: Cross multiply
719,044,125.37x = 992,966,204.03 × 679,871,048.75 - Step 4: Simplify right side
719,044,125.37x = 675,088,974,509,665,024 - Step 5: Solve for x
x = 675,088,974,509,665,024/719,044,125.37 - Step 6: Final answer
x = 938,870,022.98
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Half scale
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Double scale
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Similar ratio
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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.