Finding the Fourth Proportional to 424,339,237.80, 636,508,856.70 and 322,302,565.80
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Solution
The fourth proportional to 424,339,237.80, 636,508,856.70 and 322,302,565.80 is: 483,453,848.70
Step by Step Solution
- Step 1: Write the proportion equation
424,339,237.80 : 636,508,856.70 = 322,302,565.80 : x - Step 2: Convert to fraction form
424,339,237.80/636,508,856.70 = 322,302,565.80/x - Step 3: Cross multiply
424,339,237.80x = 636,508,856.70 × 322,302,565.80 - Step 4: Simplify right side
424,339,237.80x = 205,148,437,668,834,528 - Step 5: Solve for x
x = 205,148,437,668,834,528/424,339,237.80 - Step 6: Final answer
x = 483,453,848.70
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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.