Finding the Fourth Proportional to 746,496,752.40, 1,119,745,128.60 and 528,818,518.80
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Solution
The fourth proportional to 746,496,752.40, 1,119,745,128.60 and 528,818,518.80 is: 793,227,778.20
Step by Step Solution
- Step 1: Write the proportion equation
746,496,752.40 : 1,119,745,128.60 = 528,818,518.80 : x - Step 2: Convert to fraction form
746,496,752.40/1,119,745,128.60 = 528,818,518.80/x - Step 3: Cross multiply
746,496,752.40x = 1,119,745,128.60 × 528,818,518.80 - Step 4: Simplify right side
746,496,752.40x = 592,141,960,339,767,424 - Step 5: Solve for x
x = 592,141,960,339,767,424/746,496,752.40 - Step 6: Final answer
x = 793,227,778.20
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1.5x scale
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.