Finding the Fourth Proportional to 719,044,327.56, 992,966,483.34 and 679,871,251.08
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Solution
The fourth proportional to 719,044,327.56, 992,966,483.34 and 679,871,251.08 is: 938,870,302.47
Step by Step Solution
- Step 1: Write the proportion equation
719,044,327.56 : 992,966,483.34 = 679,871,251.08 : x - Step 2: Convert to fraction form
719,044,327.56/992,966,483.34 = 679,871,251.08/x - Step 3: Cross multiply
719,044,327.56x = 992,966,483.34 × 679,871,251.08 - Step 4: Simplify right side
719,044,327.56x = 675,089,365,308,873,856 - Step 5: Solve for x
x = 675,089,365,308,873,856/719,044,327.56 - Step 6: Final answer
x = 938,870,302.47
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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.