Finding the Fourth Proportional to 627,137,343.02, 865,498,011.28 and 376,251,176.54
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Solution
The fourth proportional to 627,137,343.02, 865,498,011.28 and 376,251,176.54 is: 519,255,707.95
Step by Step Solution
- Step 1: Write the proportion equation
627,137,343.02 : 865,498,011.28 = 376,251,176.54 : x - Step 2: Convert to fraction form
627,137,343.02/865,498,011.28 = 376,251,176.54/x - Step 3: Cross multiply
627,137,343.02x = 865,498,011.28 × 376,251,176.54 - Step 4: Simplify right side
627,137,343.02x = 325,644,645,031,862,080 - Step 5: Solve for x
x = 325,644,645,031,862,080/627,137,343.02 - Step 6: Final answer
x = 519,255,707.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.