Finding the Fourth Proportional to 977,900,612.44, 1,349,853,868.14 and 581,422,656.16
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Solution
The fourth proportional to 977,900,612.44, 1,349,853,868.14 and 581,422,656.16 is: 802,571,970.46
Step by Step Solution
- Step 1: Write the proportion equation
977,900,612.44 : 1,349,853,868.14 = 581,422,656.16 : x - Step 2: Convert to fraction form
977,900,612.44/1,349,853,868.14 = 581,422,656.16/x - Step 3: Cross multiply
977,900,612.44x = 1,349,853,868.14 × 581,422,656.16 - Step 4: Simplify right side
977,900,612.44x = 784,835,621,441,809,152 - Step 5: Solve for x
x = 784,835,621,441,809,152/977,900,612.44 - Step 6: Final answer
x = 802,571,970.46
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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.