Finding the Fourth Proportional to 1,214,254,125.46, 1,675,671,234.15 and 657,337,154.50
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Solution
The fourth proportional to 1,214,254,125.46, 1,675,671,234.15 and 657,337,154.50 is: 907,125,566.09
Step by Step Solution
- Step 1: Write the proportion equation
1,214,254,125.46 : 1,675,671,234.15 = 657,337,154.50 : x - Step 2: Convert to fraction form
1,214,254,125.46/1,675,671,234.15 = 657,337,154.50/x - Step 3: Cross multiply
1,214,254,125.46x = 1,675,671,234.15 × 657,337,154.50 - Step 4: Simplify right side
1,214,254,125.46x = 1,101,480,960,933,664,256 - Step 5: Solve for x
x = 1,101,480,960,933,664,256/1,214,254,125.46 - Step 6: Final answer
x = 907,125,566.09
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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.