Finding the Fourth Proportional to 518,323,055.53, 777,484,583.29 and 503,974,148.53
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Solution
The fourth proportional to 518,323,055.53, 777,484,583.29 and 503,974,148.53 is: 755,961,222.79
Step by Step Solution
- Step 1: Write the proportion equation
518,323,055.53 : 777,484,583.29 = 503,974,148.53 : x - Step 2: Convert to fraction form
518,323,055.53/777,484,583.29 = 503,974,148.53/x - Step 3: Cross multiply
518,323,055.53x = 777,484,583.29 × 503,974,148.53 - Step 4: Simplify right side
518,323,055.53x = 391,832,130,854,892,160 - Step 5: Solve for x
x = 391,832,130,854,892,160/518,323,055.53 - Step 6: Final answer
x = 755,961,222.79
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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.