Finding the Fourth Proportional to 934,279,147.84, 1,288,697,719.36 and 599,220,959.31
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Solution
The fourth proportional to 934,279,147.84, 1,288,697,719.36 and 599,220,959.31 is: 826,535,287.06
Step by Step Solution
- Step 1: Write the proportion equation
934,279,147.84 : 1,288,697,719.36 = 599,220,959.31 : x - Step 2: Convert to fraction form
934,279,147.84/1,288,697,719.36 = 599,220,959.31/x - Step 3: Cross multiply
934,279,147.84x = 1,288,697,719.36 × 599,220,959.31 - Step 4: Simplify right side
934,279,147.84x = 772,214,683,655,508,224 - Step 5: Solve for x
x = 772,214,683,655,508,224/934,279,147.84 - Step 6: Final answer
x = 826,535,287.06
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Double scale
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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.