Finding the Fourth Proportional to 71,488,087,676.36, 98,658,041,348.06 and 39,373,443,444.68
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Solution
The fourth proportional to 71,488,087,676.36, 98,658,041,348.06 and 39,373,443,444.68 is: 54,337,819,595.43
Step by Step Solution
- Step 1: Write the proportion equation
71,488,087,676.36 : 98,658,041,348.06 = 39,373,443,444.68 : x - Step 2: Convert to fraction form
71,488,087,676.36/98,658,041,348.06 = 39,373,443,444.68/x - Step 3: Cross multiply
71,488,087,676.36x = 98,658,041,348.06 × 39,373,443,444.68 - Step 4: Simplify right side
71,488,087,676.36x = 3,884,506,811,380,051,476,480 - Step 5: Solve for x
x = 3,884,506,811,380,051,476,480/71,488,087,676.36 - Step 6: Final answer
x = 54,337,819,595.43
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1.5x scale
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.