Finding the Fourth Proportional to 618,865,421.84, 928,305,423.80 and 245,464,362
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Solution
The fourth proportional to 618,865,421.84, 928,305,423.80 and 245,464,362 is: 368,199,434.89
Step by Step Solution
- Step 1: Write the proportion equation
618,865,421.84 : 928,305,423.80 = 245,464,362 : x - Step 2: Convert to fraction form
618,865,421.84/928,305,423.80 = 245,464,362/x - Step 3: Cross multiply
618,865,421.84x = 928,305,423.80 × 245,464,362 - Step 4: Simplify right side
618,865,421.84x = 227,865,898,594,206,592 - Step 5: Solve for x
x = 227,865,898,594,206,592/618,865,421.84 - Step 6: Final answer
x = 368,199,434.89
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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.