Finding the Fourth Proportional to 975,499,454.99, 1,346,190,244.16 and 529,462,910.18
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Solution
The fourth proportional to 975,499,454.99, 1,346,190,244.16 and 529,462,910.18 is: 730,659,356.78
Step by Step Solution
- Step 1: Write the proportion equation
975,499,454.99 : 1,346,190,244.16 = 529,462,910.18 : x - Step 2: Convert to fraction form
975,499,454.99/1,346,190,244.16 = 529,462,910.18/x - Step 3: Cross multiply
975,499,454.99x = 1,346,190,244.16 × 529,462,910.18 - Step 4: Simplify right side
975,499,454.99x = 712,757,804,319,500,032 - Step 5: Solve for x
x = 712,757,804,319,500,032/975,499,454.99 - Step 6: Final answer
x = 730,659,356.78
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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.