Finding the Fourth Proportional to 353,087,340.48, 487,327,988.58 and 233,799,533.10
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Solution
The fourth proportional to 353,087,340.48, 487,327,988.58 and 233,799,533.10 is: 322,688,023.99
Step by Step Solution
- Step 1: Write the proportion equation
353,087,340.48 : 487,327,988.58 = 233,799,533.10 : x - Step 2: Convert to fraction form
353,087,340.48/487,327,988.58 = 233,799,533.10/x - Step 3: Cross multiply
353,087,340.48x = 487,327,988.58 × 233,799,533.10 - Step 4: Simplify right side
353,087,340.48x = 113,937,056,196,566,128 - Step 5: Solve for x
x = 113,937,056,196,566,128/353,087,340.48 - Step 6: Final answer
x = 322,688,023.99
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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.