Finding the Fourth Proportional to 775,941,325.99, 1,072,199,720.74 and 552,535,149.74
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Solution
The fourth proportional to 775,941,325.99, 1,072,199,720.74 and 552,535,149.74 is: 763,495,915.74
Step by Step Solution
- Step 1: Write the proportion equation
775,941,325.99 : 1,072,199,720.74 = 552,535,149.74 : x - Step 2: Convert to fraction form
775,941,325.99/1,072,199,720.74 = 552,535,149.74/x - Step 3: Cross multiply
775,941,325.99x = 1,072,199,720.74 × 552,535,149.74 - Step 4: Simplify right side
775,941,325.99x = 592,428,033,249,115,776 - Step 5: Solve for x
x = 592,428,033,249,115,776/775,941,325.99 - Step 6: Final answer
x = 763,495,915.74
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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.