Finding the Fourth Proportional to 411,565,417,138.98, 617,279,652,515.73 and 124,655,259,486.54
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Solution
The fourth proportional to 411,565,417,138.98, 617,279,652,515.73 and 124,655,259,486.54 is: 186,962,150,014.97
Step by Step Solution
- Step 1: Write the proportion equation
411,565,417,138.98 : 617,279,652,515.73 = 124,655,259,486.54 : x - Step 2: Convert to fraction form
411,565,417,138.98/617,279,652,515.73 = 124,655,259,486.54/x - Step 3: Cross multiply
411,565,417,138.98x = 617,279,652,515.73 × 124,655,259,486.54 - Step 4: Simplify right side
411,565,417,138.98x = 76,947,155,260,109,567,819,776 - Step 5: Solve for x
x = 76,947,155,260,109,567,819,776/411,565,417,138.98 - Step 6: Final answer
x = 186,962,150,014.97
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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.