Finding the Fourth Proportional to 606,431,271.30, 909,646,906.95 and 541,808,045.70
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Solution
The fourth proportional to 606,431,271.30, 909,646,906.95 and 541,808,045.70 is: 812,712,068.55
Step by Step Solution
- Step 1: Write the proportion equation
606,431,271.30 : 909,646,906.95 = 541,808,045.70 : x - Step 2: Convert to fraction form
606,431,271.30/909,646,906.95 = 541,808,045.70/x - Step 3: Cross multiply
606,431,271.30x = 909,646,906.95 × 541,808,045.70 - Step 4: Simplify right side
606,431,271.30x = 492,854,012,931,629,312 - Step 5: Solve for x
x = 492,854,012,931,629,312/606,431,271.30 - Step 6: Final answer
x = 812,712,068.55
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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.