Finding the Fourth Proportional to 4,782,602,030.28, 7,173,418,677.45 and 1,289,360,621.13
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Solution
The fourth proportional to 4,782,602,030.28, 7,173,418,677.45 and 1,289,360,621.13 is: 1,933,910,349.02
Step by Step Solution
- Step 1: Write the proportion equation
4,782,602,030.28 : 7,173,418,677.45 = 1,289,360,621.13 : x - Step 2: Convert to fraction form
4,782,602,030.28/7,173,418,677.45 = 1,289,360,621.13/x - Step 3: Cross multiply
4,782,602,030.28x = 7,173,418,677.45 × 1,289,360,621.13 - Step 4: Simplify right side
4,782,602,030.28x = 9,249,123,561,582,475,264 - Step 5: Solve for x
x = 9,249,123,561,582,475,264/4,782,602,030.28 - Step 6: Final answer
x = 1,933,910,349.02
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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.