Finding the Fourth Proportional to 12,753,784,201.80, 19,130,676,302.70 and 7,243,803,913.80
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Solution
The fourth proportional to 12,753,784,201.80, 19,130,676,302.70 and 7,243,803,913.80 is: 10,865,705,870.70
Step by Step Solution
- Step 1: Write the proportion equation
12,753,784,201.80 : 19,130,676,302.70 = 7,243,803,913.80 : x - Step 2: Convert to fraction form
12,753,784,201.80/19,130,676,302.70 = 7,243,803,913.80/x - Step 3: Cross multiply
12,753,784,201.80x = 19,130,676,302.70 × 7,243,803,913.80 - Step 4: Simplify right side
12,753,784,201.80x = 138,578,867,875,139,190,784 - Step 5: Solve for x
x = 138,578,867,875,139,190,784/12,753,784,201.80 - Step 6: Final answer
x = 10,865,705,870.70
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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.