Finding the Fourth Proportional to 469,675,620.05, 648,134,598.71 and 260,845,214.76
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Solution
The fourth proportional to 469,675,620.05, 648,134,598.71 and 260,845,214.76 is: 359,956,534.64
Step by Step Solution
- Step 1: Write the proportion equation
469,675,620.05 : 648,134,598.71 = 260,845,214.76 : x - Step 2: Convert to fraction form
469,675,620.05/648,134,598.71 = 260,845,214.76/x - Step 3: Cross multiply
469,675,620.05x = 648,134,598.71 × 260,845,214.76 - Step 4: Simplify right side
469,675,620.05x = 169,062,808,594,548,480 - Step 5: Solve for x
x = 169,062,808,594,548,480/469,675,620.05 - Step 6: Final answer
x = 359,956,534.64
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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.