Finding the Fourth Proportional to 554,426,957,497.06, 765,113,693,686.58 and 307,233,365,202.02
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Solution
The fourth proportional to 554,426,957,497.06, 765,113,693,686.58 and 307,233,365,202.02 is: 423,984,533,390.45
Step by Step Solution
- Step 1: Write the proportion equation
554,426,957,497.06 : 765,113,693,686.58 = 307,233,365,202.02 : x - Step 2: Convert to fraction form
554,426,957,497.06/765,113,693,686.58 = 307,233,365,202.02/x - Step 3: Cross multiply
554,426,957,497.06x = 765,113,693,686.58 × 307,233,365,202.02 - Step 4: Simplify right side
554,426,957,497.06x = 235,068,454,873,475,493,920,768 - Step 5: Solve for x
x = 235,068,454,873,475,493,920,768/554,426,957,497.06 - Step 6: Final answer
x = 423,984,533,390.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.