Finding the Fourth Proportional to 324,806,307.84, 487,014,885.48 and 103,382,005.68
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Solution
The fourth proportional to 324,806,307.84, 487,014,885.48 and 103,382,005.68 is: 155,011,077.19
Step by Step Solution
- Step 1: Write the proportion equation
324,806,307.84 : 487,014,885.48 = 103,382,005.68 : x - Step 2: Convert to fraction form
324,806,307.84/487,014,885.48 = 103,382,005.68/x - Step 3: Cross multiply
324,806,307.84x = 487,014,885.48 × 103,382,005.68 - Step 4: Simplify right side
324,806,307.84x = 50,348,575,656,937,912 - Step 5: Solve for x
x = 50,348,575,656,937,912/324,806,307.84 - Step 6: Final answer
x = 155,011,077.19
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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.