Finding the Fourth Proportional to 540,182,067.68, 745,039,963.18 and 464,956,428.05
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Solution
The fourth proportional to 540,182,067.68, 745,039,963.18 and 464,956,428.05 is: 641,285,856.69
Step by Step Solution
- Step 1: Write the proportion equation
540,182,067.68 : 745,039,963.18 = 464,956,428.05 : x - Step 2: Convert to fraction form
540,182,067.68/745,039,963.18 = 464,956,428.05/x - Step 3: Cross multiply
540,182,067.68x = 745,039,963.18 × 464,956,428.05 - Step 4: Simplify right side
540,182,067.68x = 346,411,120,038,650,176 - Step 5: Solve for x
x = 346,411,120,038,650,176/540,182,067.68 - Step 6: Final answer
x = 641,285,856.69
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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.