Finding the Fourth Proportional to 4,376,064,326.40, 6,564,096,489.60 and 1,312,444,742.40
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Solution
The fourth proportional to 4,376,064,326.40, 6,564,096,489.60 and 1,312,444,742.40 is: 1,968,667,113.60
Step by Step Solution
- Step 1: Write the proportion equation
4,376,064,326.40 : 6,564,096,489.60 = 1,312,444,742.40 : x - Step 2: Convert to fraction form
4,376,064,326.40/6,564,096,489.60 = 1,312,444,742.40/x - Step 3: Cross multiply
4,376,064,326.40x = 6,564,096,489.60 × 1,312,444,742.40 - Step 4: Simplify right side
4,376,064,326.40x = 8,615,013,926,381,817,856 - Step 5: Solve for x
x = 8,615,013,926,381,817,856/4,376,064,326.40 - Step 6: Final answer
x = 1,968,667,113.60
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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.