Finding the Fourth Proportional to 663,913,720.08, 915,349,074 and 544,395,919.68
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Solution
The fourth proportional to 663,913,720.08, 915,349,074 and 544,395,919.68 is: 750,567,861.30
Step by Step Solution
- Step 1: Write the proportion equation
663,913,720.08 : 915,349,074 = 544,395,919.68 : x - Step 2: Convert to fraction form
663,913,720.08/915,349,074 = 544,395,919.68/x - Step 3: Cross multiply
663,913,720.08x = 915,349,074 × 544,395,919.68 - Step 4: Simplify right side
663,913,720.08x = 498,312,300,968,466,304 - Step 5: Solve for x
x = 498,312,300,968,466,304/663,913,720.08 - Step 6: Final answer
x = 750,567,861.30
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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.