Finding the Fourth Proportional to 664,302,602.70, 996,453,904.05 and 652,823,477.10
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Solution
The fourth proportional to 664,302,602.70, 996,453,904.05 and 652,823,477.10 is: 979,235,215.65
Step by Step Solution
- Step 1: Write the proportion equation
664,302,602.70 : 996,453,904.05 = 652,823,477.10 : x - Step 2: Convert to fraction form
664,302,602.70/996,453,904.05 = 652,823,477.10/x - Step 3: Cross multiply
664,302,602.70x = 996,453,904.05 × 652,823,477.10 - Step 4: Simplify right side
664,302,602.70x = 650,508,502,411,790,720 - Step 5: Solve for x
x = 650,508,502,411,790,720/664,302,602.70 - Step 6: Final answer
x = 979,235,215.65
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Double scale
Find fourth proportional to 664,302,603.70, 996,453,905.55 and 652,823,478.10
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.