Finding the Fourth Proportional to 944,918,920.08, 1,418,101,820.28 and 427,712,574.96
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Solution
The fourth proportional to 944,918,920.08, 1,418,101,820.28 and 427,712,574.96 is: 641,896,323.82
Step by Step Solution
- Step 1: Write the proportion equation
944,918,920.08 : 1,418,101,820.28 = 427,712,574.96 : x - Step 2: Convert to fraction form
944,918,920.08/1,418,101,820.28 = 427,712,574.96/x - Step 3: Cross multiply
944,918,920.08x = 1,418,101,820.28 × 427,712,574.96 - Step 4: Simplify right side
944,918,920.08x = 606,539,981,107,421,952 - Step 5: Solve for x
x = 606,539,981,107,421,952/944,918,920.08 - Step 6: Final answer
x = 641,896,323.82
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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.