Finding the Fourth Proportional to 9,730,143,106.70, 14,593,739,969.95 and 2,648,177,851.26
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Solution
The fourth proportional to 9,730,143,106.70, 14,593,739,969.95 and 2,648,177,851.26 is: 3,971,865,421.88
Step by Step Solution
- Step 1: Write the proportion equation
9,730,143,106.70 : 14,593,739,969.95 = 2,648,177,851.26 : x - Step 2: Convert to fraction form
9,730,143,106.70/14,593,739,969.95 = 2,648,177,851.26/x - Step 3: Cross multiply
9,730,143,106.70x = 14,593,739,969.95 × 2,648,177,851.26 - Step 4: Simplify right side
9,730,143,106.70x = 38,646,818,955,469,373,440 - Step 5: Solve for x
x = 38,646,818,955,469,373,440/9,730,143,106.70 - Step 6: Final answer
x = 3,971,865,421.88
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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.