Finding the Fourth Proportional to 508,368,164.16, 700,709,677.92 and 359,497,266.24
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Solution
The fourth proportional to 508,368,164.16, 700,709,677.92 and 359,497,266.24 is: 495,513,353.12
Step by Step Solution
- Step 1: Write the proportion equation
508,368,164.16 : 700,709,677.92 = 359,497,266.24 : x - Step 2: Convert to fraction form
508,368,164.16/700,709,677.92 = 359,497,266.24/x - Step 3: Cross multiply
508,368,164.16x = 700,709,677.92 × 359,497,266.24 - Step 4: Simplify right side
508,368,164.16x = 251,903,213,640,150,880 - Step 5: Solve for x
x = 251,903,213,640,150,880/508,368,164.16 - Step 6: Final answer
x = 495,513,353.12
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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.