Finding the Fourth Proportional to 517,824,139.70, 776,736,209.55 and 470,048,395.70
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Solution
The fourth proportional to 517,824,139.70, 776,736,209.55 and 470,048,395.70 is: 705,072,593.55
Step by Step Solution
- Step 1: Write the proportion equation
517,824,139.70 : 776,736,209.55 = 470,048,395.70 : x - Step 2: Convert to fraction form
517,824,139.70/776,736,209.55 = 470,048,395.70/x - Step 3: Cross multiply
517,824,139.70x = 776,736,209.55 × 470,048,395.70 - Step 4: Simplify right side
517,824,139.70x = 365,103,609,181,076,480 - Step 5: Solve for x
x = 365,103,609,181,076,480/517,824,139.70 - Step 6: Final answer
x = 705,072,593.55
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Similar ratio
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1.5x scale
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.