Finding the Fourth Proportional to 884,952,908.85, 1,221,235,133.74 and 488,475,973.23
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Solution
The fourth proportional to 884,952,908.85, 1,221,235,133.74 and 488,475,973.23 is: 674,096,909.03
Step by Step Solution
- Step 1: Write the proportion equation
884,952,908.85 : 1,221,235,133.74 = 488,475,973.23 : x - Step 2: Convert to fraction form
884,952,908.85/1,221,235,133.74 = 488,475,973.23/x - Step 3: Cross multiply
884,952,908.85x = 1,221,235,133.74 × 488,475,973.23 - Step 4: Simplify right side
884,952,908.85x = 596,544,020,490,209,536 - Step 5: Solve for x
x = 596,544,020,490,209,536/884,952,908.85 - Step 6: Final answer
x = 674,096,909.03
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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.