Finding the Fourth Proportional to 7,769,091,617.30, 11,653,637,425.95 and 6,871,168,903.70
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Solution
The fourth proportional to 7,769,091,617.30, 11,653,637,425.95 and 6,871,168,903.70 is: 10,306,753,355.55
Step by Step Solution
- Step 1: Write the proportion equation
7,769,091,617.30 : 11,653,637,425.95 = 6,871,168,903.70 : x - Step 2: Convert to fraction form
7,769,091,617.30/11,653,637,425.95 = 6,871,168,903.70/x - Step 3: Cross multiply
7,769,091,617.30x = 11,653,637,425.95 × 6,871,168,903.70 - Step 4: Simplify right side
7,769,091,617.30x = 80,074,111,096,182,161,408 - Step 5: Solve for x
x = 80,074,111,096,182,161,408/7,769,091,617.30 - Step 6: Final answer
x = 10,306,753,355.55
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Double scale
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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.