Finding the Fourth Proportional to 1,434,786,328,918.80, 2,153,711,046,087.10 and 618,361,984,117.75
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Solution
The fourth proportional to 1,434,786,328,918.80, 2,153,711,046,087.10 and 618,361,984,117.75 is: 928,203,042,384.93
Step by Step Solution
- Step 1: Write the proportion equation
1,434,786,328,918.80 : 2,153,711,046,087.10 = 618,361,984,117.75 : x - Step 2: Convert to fraction form
1,434,786,328,918.80/2,153,711,046,087.10 = 618,361,984,117.75/x - Step 3: Cross multiply
1,434,786,328,918.80x = 2,153,711,046,087.10 × 618,361,984,117.75 - Step 4: Simplify right side
1,434,786,328,918.80x = 1,331,773,035,674,734,228,930,560 - Step 5: Solve for x
x = 1,331,773,035,674,734,228,930,560/1,434,786,328,918.80 - Step 6: Final answer
x = 928,203,042,384.93
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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.