Finding the Fourth Proportional to 918,201,664.30, 1,377,302,496.45 and 882,488,829.10
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Solution
The fourth proportional to 918,201,664.30, 1,377,302,496.45 and 882,488,829.10 is: 1,323,733,243.65
Step by Step Solution
- Step 1: Write the proportion equation
918,201,664.30 : 1,377,302,496.45 = 882,488,829.10 : x - Step 2: Convert to fraction form
918,201,664.30/1,377,302,496.45 = 882,488,829.10/x - Step 3: Cross multiply
918,201,664.30x = 1,377,302,496.45 × 882,488,829.10 - Step 4: Simplify right side
918,201,664.30x = 1,215,454,067,408,667,392 - Step 5: Solve for x
x = 1,215,454,067,408,667,392/918,201,664.30 - Step 6: Final answer
x = 1,323,733,243.65
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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.