Finding the Fourth Proportional to 771,613,826.10, 1,064,918,366.37 and 458,349,277.74
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Solution
The fourth proportional to 771,613,826.10, 1,064,918,366.37 and 458,349,277.74 is: 632,576,228.64
Step by Step Solution
- Step 1: Write the proportion equation
771,613,826.10 : 1,064,918,366.37 = 458,349,277.74 : x - Step 2: Convert to fraction form
771,613,826.10/1,064,918,366.37 = 458,349,277.74/x - Step 3: Cross multiply
771,613,826.10x = 1,064,918,366.37 × 458,349,277.74 - Step 4: Simplify right side
771,613,826.10x = 488,104,564,077,750,208 - Step 5: Solve for x
x = 488,104,564,077,750,208/771,613,826.10 - Step 6: Final answer
x = 632,576,228.64
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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.