Finding the Fourth Proportional to 553,042,625.61, 828,984,472.71 and 257,694,246.12
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Solution
The fourth proportional to 553,042,625.61, 828,984,472.71 and 257,694,246.12 is: 386,271,362.91
Step by Step Solution
- Step 1: Write the proportion equation
553,042,625.61 : 828,984,472.71 = 257,694,246.12 : x - Step 2: Convert to fraction form
553,042,625.61/828,984,472.71 = 257,694,246.12/x - Step 3: Cross multiply
553,042,625.61x = 828,984,472.71 × 257,694,246.12 - Step 4: Simplify right side
553,042,625.61x = 213,624,528,740,189,184 - Step 5: Solve for x
x = 213,624,528,740,189,184/553,042,625.61 - Step 6: Final answer
x = 386,271,362.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.