Finding the Fourth Proportional to 798,866,779.20, 1,197,544,341.60 and 471,593,601.60
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Solution
The fourth proportional to 798,866,779.20, 1,197,544,341.60 and 471,593,601.60 is: 706,944,216.28
Step by Step Solution
- Step 1: Write the proportion equation
798,866,779.20 : 1,197,544,341.60 = 471,593,601.60 : x - Step 2: Convert to fraction form
798,866,779.20/1,197,544,341.60 = 471,593,601.60/x - Step 3: Cross multiply
798,866,779.20x = 1,197,544,341.60 × 471,593,601.60 - Step 4: Simplify right side
798,866,779.20x = 564,754,249,130,844,672 - Step 5: Solve for x
x = 564,754,249,130,844,672/798,866,779.20 - Step 6: Final answer
x = 706,944,216.28
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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.