Finding the Fourth Proportional to 1,763,799,857.05, 2,434,024,487.14 and 970,828,882.33
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Solution
The fourth proportional to 1,763,799,857.05, 2,434,024,487.14 and 970,828,882.33 is: 1,339,733,225.95
Step by Step Solution
- Step 1: Write the proportion equation
1,763,799,857.05 : 2,434,024,487.14 = 970,828,882.33 : x - Step 2: Convert to fraction form
1,763,799,857.05/2,434,024,487.14 = 970,828,882.33/x - Step 3: Cross multiply
1,763,799,857.05x = 2,434,024,487.14 × 970,828,882.33 - Step 4: Simplify right side
1,763,799,857.05x = 2,363,021,272,413,977,600 - Step 5: Solve for x
x = 2,363,021,272,413,977,600/1,763,799,857.05 - Step 6: Final answer
x = 1,339,733,225.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.