Finding the Fourth Proportional to 1,031,284,927.77, 1,423,173,353.85 and 561,389,815.95
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Solution
The fourth proportional to 1,031,284,927.77, 1,423,173,353.85 and 561,389,815.95 is: 774,718,029.59
Step by Step Solution
- Step 1: Write the proportion equation
1,031,284,927.77 : 1,423,173,353.85 = 561,389,815.95 : x - Step 2: Convert to fraction form
1,031,284,927.77/1,423,173,353.85 = 561,389,815.95/x - Step 3: Cross multiply
1,031,284,927.77x = 1,423,173,353.85 × 561,389,815.95 - Step 4: Simplify right side
1,031,284,927.77x = 798,955,027,182,795,776 - Step 5: Solve for x
x = 798,955,027,182,795,776/1,031,284,927.77 - Step 6: Final answer
x = 774,718,029.59
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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.