Finding the Fourth Proportional to 1,573,613,632.99, 2,360,388,041.79 and 524,428,015.74
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Solution
The fourth proportional to 1,573,613,632.99, 2,360,388,041.79 and 524,428,015.74 is: 786,631,223.31
Step by Step Solution
- Step 1: Write the proportion equation
1,573,613,632.99 : 2,360,388,041.79 = 524,428,015.74 : x - Step 2: Convert to fraction form
1,573,613,632.99/2,360,388,041.79 = 524,428,015.74/x - Step 3: Cross multiply
1,573,613,632.99x = 2,360,388,041.79 × 524,428,015.74 - Step 4: Simplify right side
1,573,613,632.99x = 1,237,853,617,132,353,792 - Step 5: Solve for x
x = 1,237,853,617,132,353,792/1,573,613,632.99 - Step 6: Final answer
x = 786,631,223.31
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.