Finding the Fourth Proportional to 1,727,119,543.12, 2,590,073,143.86 and 483,215,747.74
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Solution
The fourth proportional to 1,727,119,543.12, 2,590,073,143.86 and 483,215,747.74 is: 724,654,026.35
Step by Step Solution
- Step 1: Write the proportion equation
1,727,119,543.12 : 2,590,073,143.86 = 483,215,747.74 : x - Step 2: Convert to fraction form
1,727,119,543.12/2,590,073,143.86 = 483,215,747.74/x - Step 3: Cross multiply
1,727,119,543.12x = 2,590,073,143.86 × 483,215,747.74 - Step 4: Simplify right side
1,727,119,543.12x = 1,251,564,130,911,602,688 - Step 5: Solve for x
x = 1,251,564,130,911,602,688/1,727,119,543.12 - Step 6: Final answer
x = 724,654,026.35
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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.