Finding the Fourth Proportional to 808,571,723.70, 1,115,829,722.70 and 437,293,755.06
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Solution
The fourth proportional to 808,571,723.70, 1,115,829,722.70 and 437,293,755.06 is: 603,465,784.35
Step by Step Solution
- Step 1: Write the proportion equation
808,571,723.70 : 1,115,829,722.70 = 437,293,755.06 : x - Step 2: Convert to fraction form
808,571,723.70/1,115,829,722.70 = 437,293,755.06/x - Step 3: Cross multiply
808,571,723.70x = 1,115,829,722.70 × 437,293,755.06 - Step 4: Simplify right side
808,571,723.70x = 487,945,369,447,041,536 - Step 5: Solve for x
x = 487,945,369,447,041,536/808,571,723.70 - Step 6: Final answer
x = 603,465,784.35
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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.