Finding the Fourth Proportional to 578,865,739.04, 868,432,926 and 190,674,651.68
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Solution
The fourth proportional to 578,865,739.04, 868,432,926 and 190,674,651.68 is: 286,056,220.82
Step by Step Solution
- Step 1: Write the proportion equation
578,865,739.04 : 868,432,926 = 190,674,651.68 : x - Step 2: Convert to fraction form
578,865,739.04/868,432,926 = 190,674,651.68/x - Step 3: Cross multiply
578,865,739.04x = 868,432,926 × 190,674,651.68 - Step 4: Simplify right side
578,865,739.04x = 165,588,145,672,493,216 - Step 5: Solve for x
x = 165,588,145,672,493,216/578,865,739.04 - Step 6: Final answer
x = 286,056,220.82
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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.