Finding the Fourth Proportional to 973,973,747.93, 1,344,047,762.84 and 527,927,534.18
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Solution
The fourth proportional to 973,973,747.93, 1,344,047,762.84 and 527,927,534.18 is: 728,520,478.87
Step by Step Solution
- Step 1: Write the proportion equation
973,973,747.93 : 1,344,047,762.84 = 527,927,534.18 : x - Step 2: Convert to fraction form
973,973,747.93/1,344,047,762.84 = 527,927,534.18/x - Step 3: Cross multiply
973,973,747.93x = 1,344,047,762.84 × 527,927,534.18 - Step 4: Simplify right side
973,973,747.93x = 709,559,821,246,906,752 - Step 5: Solve for x
x = 709,559,821,246,906,752/973,973,747.93 - Step 6: Final answer
x = 728,520,478.87
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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.