Finding the Fourth Proportional to 1,331,495,918.22, 1,837,602,674.67 and 767,000,308.62
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Solution
The fourth proportional to 1,331,495,918.22, 1,837,602,674.67 and 767,000,308.62 is: 1,058,540,097.12
Step by Step Solution
- Step 1: Write the proportion equation
1,331,495,918.22 : 1,837,602,674.67 = 767,000,308.62 : x - Step 2: Convert to fraction form
1,331,495,918.22/1,837,602,674.67 = 767,000,308.62/x - Step 3: Cross multiply
1,331,495,918.22x = 1,837,602,674.67 × 767,000,308.62 - Step 4: Simplify right side
1,331,495,918.22x = 1,409,441,818,592,827,648 - Step 5: Solve for x
x = 1,409,441,818,592,827,648/1,331,495,918.22 - Step 6: Final answer
x = 1,058,540,097.12
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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.