Finding the Fourth Proportional to 4,753,833,749.10, 7,130,750,623.65 and 1,648,730,274.30
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Solution
The fourth proportional to 4,753,833,749.10, 7,130,750,623.65 and 1,648,730,274.30 is: 2,473,095,411.45
Step by Step Solution
- Step 1: Write the proportion equation
4,753,833,749.10 : 7,130,750,623.65 = 1,648,730,274.30 : x - Step 2: Convert to fraction form
4,753,833,749.10/7,130,750,623.65 = 1,648,730,274.30/x - Step 3: Cross multiply
4,753,833,749.10x = 7,130,750,623.65 × 1,648,730,274.30 - Step 4: Simplify right side
4,753,833,749.10x = 11,756,684,431,695,360,000 - Step 5: Solve for x
x = 11,756,684,431,695,360,000/4,753,833,749.10 - Step 6: Final answer
x = 2,473,095,411.45
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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.