Finding the Fourth Proportional to 629,878,216.90, 944,817,325.35 and 169,862,887.30
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Solution
The fourth proportional to 629,878,216.90, 944,817,325.35 and 169,862,887.30 is: 254,794,330.95
Step by Step Solution
- Step 1: Write the proportion equation
629,878,216.90 : 944,817,325.35 = 169,862,887.30 : x - Step 2: Convert to fraction form
629,878,216.90/944,817,325.35 = 169,862,887.30/x - Step 3: Cross multiply
629,878,216.90x = 944,817,325.35 × 169,862,887.30 - Step 4: Simplify right side
629,878,216.90x = 160,489,398,855,014,496 - Step 5: Solve for x
x = 160,489,398,855,014,496/629,878,216.90 - Step 6: Final answer
x = 254,794,330.95
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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.