Finding the Fourth Proportional to 3,213,346,749.93, 4,434,175,154.95 and 1,803,378,402.09
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Solution
The fourth proportional to 3,213,346,749.93, 4,434,175,154.95 and 1,803,378,402.09 is: 2,488,525,617.63
Step by Step Solution
- Step 1: Write the proportion equation
3,213,346,749.93 : 4,434,175,154.95 = 1,803,378,402.09 : x - Step 2: Convert to fraction form
3,213,346,749.93/4,434,175,154.95 = 1,803,378,402.09/x - Step 3: Cross multiply
3,213,346,749.93x = 4,434,175,154.95 × 1,803,378,402.09 - Step 4: Simplify right side
3,213,346,749.93x = 7,996,495,705,516,400,640 - Step 5: Solve for x
x = 7,996,495,705,516,400,640/3,213,346,749.93 - Step 6: Final answer
x = 2,488,525,617.63
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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.