Finding the Fourth Proportional to 1,089,225,893.88, 1,625,343,509.25 and 971,834,267.88
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Solution
The fourth proportional to 1,089,225,893.88, 1,625,343,509.25 and 971,834,267.88 is: 1,450,171,656.99
Step by Step Solution
- Step 1: Write the proportion equation
1,089,225,893.88 : 1,625,343,509.25 = 971,834,267.88 : x - Step 2: Convert to fraction form
1,089,225,893.88/1,625,343,509.25 = 971,834,267.88/x - Step 3: Cross multiply
1,089,225,893.88x = 1,625,343,509.25 × 971,834,267.88 - Step 4: Simplify right side
1,089,225,893.88x = 1,579,564,519,365,483,776 - Step 5: Solve for x
x = 1,579,564,519,365,483,776/1,089,225,893.88 - Step 6: Final answer
x = 1,450,171,656.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.