Finding the Fourth Proportional to 641,337,210.60, 962,572,686.30 and 549,504,205.80
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Solution
The fourth proportional to 641,337,210.60, 962,572,686.30 and 549,504,205.80 is: 824,742,008.99
Step by Step Solution
- Step 1: Write the proportion equation
641,337,210.60 : 962,572,686.30 = 549,504,205.80 : x - Step 2: Convert to fraction form
641,337,210.60/962,572,686.30 = 549,504,205.80/x - Step 3: Cross multiply
641,337,210.60x = 962,572,686.30 × 549,504,205.80 - Step 4: Simplify right side
641,337,210.60x = 528,937,739,510,053,952 - Step 5: Solve for x
x = 528,937,739,510,053,952/641,337,210.60 - Step 6: Final answer
x = 824,742,008.99
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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.