Finding the Fourth Proportional to 2,648,759,269.19, 3,973,006,827.95 and 990,544,644.23
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Solution
The fourth proportional to 2,648,759,269.19, 3,973,006,827.95 and 990,544,644.23 is: 1,485,767,574.53
Step by Step Solution
- Step 1: Write the proportion equation
2,648,759,269.19 : 3,973,006,827.95 = 990,544,644.23 : x - Step 2: Convert to fraction form
2,648,759,269.19/3,973,006,827.95 = 990,544,644.23/x - Step 3: Cross multiply
2,648,759,269.19x = 3,973,006,827.95 × 990,544,644.23 - Step 4: Simplify right side
2,648,759,269.19x = 3,935,440,634,890,275,840 - Step 5: Solve for x
x = 3,935,440,634,890,275,840/2,648,759,269.19 - Step 6: Final answer
x = 1,485,767,574.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.