Finding the Fourth Proportional to 349,506,415.20, 524,448,579.60 and 155,447,781.60
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Solution
The fourth proportional to 349,506,415.20, 524,448,579.60 and 155,447,781.60 is: 233,255,713.53
Step by Step Solution
- Step 1: Write the proportion equation
349,506,415.20 : 524,448,579.60 = 155,447,781.60 : x - Step 2: Convert to fraction form
349,506,415.20/524,448,579.60 = 155,447,781.60/x - Step 3: Cross multiply
349,506,415.20x = 524,448,579.60 × 155,447,781.60 - Step 4: Simplify right side
349,506,415.20x = 81,524,368,262,091,008 - Step 5: Solve for x
x = 81,524,368,262,091,008/349,506,415.20 - Step 6: Final answer
x = 233,255,713.53
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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.