Finding the Fourth Proportional to 1,779,402,276.90, 2,669,103,415.35 and 1,490,989,246.20
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Solution
The fourth proportional to 1,779,402,276.90, 2,669,103,415.35 and 1,490,989,246.20 is: 2,236,483,869.30
Step by Step Solution
- Step 1: Write the proportion equation
1,779,402,276.90 : 2,669,103,415.35 = 1,490,989,246.20 : x - Step 2: Convert to fraction form
1,779,402,276.90/2,669,103,415.35 = 1,490,989,246.20/x - Step 3: Cross multiply
1,779,402,276.90x = 2,669,103,415.35 × 1,490,989,246.20 - Step 4: Simplify right side
1,779,402,276.90x = 3,979,604,489,282,542,080 - Step 5: Solve for x
x = 3,979,604,489,282,542,080/1,779,402,276.90 - Step 6: Final answer
x = 2,236,483,869.30
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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.