Finding the Fourth Proportional to 426,249,209.68, 588,223,903.68 and 230,678,921.68
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Solution
The fourth proportional to 426,249,209.68, 588,223,903.68 and 230,678,921.68 is: 318,336,908.85
Step by Step Solution
- Step 1: Write the proportion equation
426,249,209.68 : 588,223,903.68 = 230,678,921.68 : x - Step 2: Convert to fraction form
426,249,209.68/588,223,903.68 = 230,678,921.68/x - Step 3: Cross multiply
426,249,209.68x = 588,223,903.68 × 230,678,921.68 - Step 4: Simplify right side
426,249,209.68x = 135,690,855,807,302,576 - Step 5: Solve for x
x = 135,690,855,807,302,576/426,249,209.68 - Step 6: Final answer
x = 318,336,908.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.