Finding the Fourth Proportional to 1,083,653,768.08, 1,495,566,257.84 and 607,472,748.68
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Solution
The fourth proportional to 1,083,653,768.08, 1,495,566,257.84 and 607,472,748.68 is: 838,381,937.33
Step by Step Solution
- Step 1: Write the proportion equation
1,083,653,768.08 : 1,495,566,257.84 = 607,472,748.68 : x - Step 2: Convert to fraction form
1,083,653,768.08/1,495,566,257.84 = 607,472,748.68/x - Step 3: Cross multiply
1,083,653,768.08x = 1,495,566,257.84 × 607,472,748.68 - Step 4: Simplify right side
1,083,653,768.08x = 908,515,745,483,126,272 - Step 5: Solve for x
x = 908,515,745,483,126,272/1,083,653,768.08 - Step 6: Final answer
x = 838,381,937.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.