Finding the Fourth Proportional to 878,983,831.23, 1,316,751,897.53 and 509,743,056.75
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Solution
The fourth proportional to 878,983,831.23, 1,316,751,897.53 and 509,743,056.75 is: 763,614,885.03
Step by Step Solution
- Step 1: Write the proportion equation
878,983,831.23 : 1,316,751,897.53 = 509,743,056.75 : x - Step 2: Convert to fraction form
878,983,831.23/1,316,751,897.53 = 509,743,056.75/x - Step 3: Cross multiply
878,983,831.23x = 1,316,751,897.53 × 509,743,056.75 - Step 4: Simplify right side
878,983,831.23x = 671,205,137,225,756,288 - Step 5: Solve for x
x = 671,205,137,225,756,288/878,983,831.23 - Step 6: Final answer
x = 763,614,885.03
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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.