Finding the Fourth Proportional to 45,349,750,811.80, 68,024,626,217.70 and 42,447,374,363.80
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Solution
The fourth proportional to 45,349,750,811.80, 68,024,626,217.70 and 42,447,374,363.80 is: 63,671,061,545.70
Step by Step Solution
- Step 1: Write the proportion equation
45,349,750,811.80 : 68,024,626,217.70 = 42,447,374,363.80 : x - Step 2: Convert to fraction form
45,349,750,811.80/68,024,626,217.70 = 42,447,374,363.80/x - Step 3: Cross multiply
45,349,750,811.80x = 68,024,626,217.70 × 42,447,374,363.80 - Step 4: Simplify right side
45,349,750,811.80x = 2,887,466,775,020,276,547,584 - Step 5: Solve for x
x = 2,887,466,775,020,276,547,584/45,349,750,811.80 - Step 6: Final answer
x = 63,671,061,545.70
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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.