Finding the Fourth Proportional to 798,210,006.20, 1,197,315,009.30 and 471,692,655.80
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Solution
The fourth proportional to 798,210,006.20, 1,197,315,009.30 and 471,692,655.80 is: 707,538,983.70
Step by Step Solution
- Step 1: Write the proportion equation
798,210,006.20 : 1,197,315,009.30 = 471,692,655.80 : x - Step 2: Convert to fraction form
798,210,006.20/1,197,315,009.30 = 471,692,655.80/x - Step 3: Cross multiply
798,210,006.20x = 1,197,315,009.30 × 471,692,655.80 - Step 4: Simplify right side
798,210,006.20x = 564,764,696,565,918,720 - Step 5: Solve for x
x = 564,764,696,565,918,720/798,210,006.20 - Step 6: Final answer
x = 707,538,983.70
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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.