Finding the Fourth Proportional to 1,038,094,064.19, 1,557,145,136.12 and 251,146,454.31
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Solution
The fourth proportional to 1,038,094,064.19, 1,557,145,136.12 and 251,146,454.31 is: 376,720,658.82
Step by Step Solution
- Step 1: Write the proportion equation
1,038,094,064.19 : 1,557,145,136.12 = 251,146,454.31 : x - Step 2: Convert to fraction form
1,038,094,064.19/1,557,145,136.12 = 251,146,454.31/x - Step 3: Cross multiply
1,038,094,064.19x = 1,557,145,136.12 × 251,146,454.31 - Step 4: Simplify right side
1,038,094,064.19x = 391,071,479,781,344,576 - Step 5: Solve for x
x = 391,071,479,781,344,576/1,038,094,064.19 - Step 6: Final answer
x = 376,720,658.82
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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.