Finding the Fourth Proportional to 5,225,960,935.20, 7,838,941,402.80 and 1,779,388,903.20
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Solution
The fourth proportional to 5,225,960,935.20, 7,838,941,402.80 and 1,779,388,903.20 is: 2,669,083,354.80
Step by Step Solution
- Step 1: Write the proportion equation
5,225,960,935.20 : 7,838,941,402.80 = 1,779,388,903.20 : x - Step 2: Convert to fraction form
5,225,960,935.20/7,838,941,402.80 = 1,779,388,903.20/x - Step 3: Cross multiply
5,225,960,935.20x = 7,838,941,402.80 × 1,779,388,903.20 - Step 4: Simplify right side
5,225,960,935.20x = 13,948,525,344,977,362,944 - Step 5: Solve for x
x = 13,948,525,344,977,362,944/5,225,960,935.20 - Step 6: Final answer
x = 2,669,083,354.80
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1.5x scale
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.