Finding the Fourth Proportional to 782,044,217.70, 1,079,232,074.28 and 429,652,776.48
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Solution
The fourth proportional to 782,044,217.70, 1,079,232,074.28 and 429,652,776.48 is: 592,926,904.50
Step by Step Solution
- Step 1: Write the proportion equation
782,044,217.70 : 1,079,232,074.28 = 429,652,776.48 : x - Step 2: Convert to fraction form
782,044,217.70/1,079,232,074.28 = 429,652,776.48/x - Step 3: Cross multiply
782,044,217.70x = 1,079,232,074.28 × 429,652,776.48 - Step 4: Simplify right side
782,044,217.70x = 463,695,057,180,671,616 - Step 5: Solve for x
x = 463,695,057,180,671,616/782,044,217.70 - Step 6: Final answer
x = 592,926,904.50
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1.5x scale
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.