Finding the Fourth Proportional to 456,762,232.91, 630,315,002.99 and 247,913,891.53
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Solution
The fourth proportional to 456,762,232.91, 630,315,002.99 and 247,913,891.53 is: 342,112,009.32
Step by Step Solution
- Step 1: Write the proportion equation
456,762,232.91 : 630,315,002.99 = 247,913,891.53 : x - Step 2: Convert to fraction form
456,762,232.91/630,315,002.99 = 247,913,891.53/x - Step 3: Cross multiply
456,762,232.91x = 630,315,002.99 × 247,913,891.53 - Step 4: Simplify right side
456,762,232.91x = 156,263,845,280,994,496 - Step 5: Solve for x
x = 156,263,845,280,994,496/456,762,232.91 - Step 6: Final answer
x = 342,112,009.32
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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.