Finding the Fourth Proportional to 55,920,174,898.68, 77,169,838,408.91 and 30,199,452,341.62
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Solution
The fourth proportional to 55,920,174,898.68, 77,169,838,408.91 and 30,199,452,341.62 is: 41,675,242,637.62
Step by Step Solution
- Step 1: Write the proportion equation
55,920,174,898.68 : 77,169,838,408.91 = 30,199,452,341.62 : x - Step 2: Convert to fraction form
55,920,174,898.68/77,169,838,408.91 = 30,199,452,341.62/x - Step 3: Cross multiply
55,920,174,898.68x = 77,169,838,408.91 × 30,199,452,341.62 - Step 4: Simplify right side
55,920,174,898.68x = 2,330,486,857,240,239,931,392 - Step 5: Solve for x
x = 2,330,486,857,240,239,931,392/55,920,174,898.68 - Step 6: Final answer
x = 41,675,242,637.62
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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.