Finding the Fourth Proportional to 1,507,683,764.98, 2,261,553,988.56 and 472,521,727.54
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Solution
The fourth proportional to 1,507,683,764.98, 2,261,553,988.56 and 472,521,727.54 is: 708,791,473.66
Step by Step Solution
- Step 1: Write the proportion equation
1,507,683,764.98 : 2,261,553,988.56 = 472,521,727.54 : x - Step 2: Convert to fraction form
1,507,683,764.98/2,261,553,988.56 = 472,521,727.54/x - Step 3: Cross multiply
1,507,683,764.98x = 2,261,553,988.56 × 472,521,727.54 - Step 4: Simplify right side
1,507,683,764.98x = 1,068,633,397,599,348,608 - Step 5: Solve for x
x = 1,068,633,397,599,348,608/1,507,683,764.98 - Step 6: Final answer
x = 708,791,473.66
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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.