Finding the Fourth Proportional to 1,213,127,952,209.20, 1,674,169,198,665.30 and 671,804,673,953.94
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Solution
The fourth proportional to 1,213,127,952,209.20, 1,674,169,198,665.30 and 671,804,673,953.94 is: 927,119,592,459.21
Step by Step Solution
- Step 1: Write the proportion equation
1,213,127,952,209.20 : 1,674,169,198,665.30 = 671,804,673,953.94 : x - Step 2: Convert to fraction form
1,213,127,952,209.20/1,674,169,198,665.30 = 671,804,673,953.94/x - Step 3: Cross multiply
1,213,127,952,209.20x = 1,674,169,198,665.30 × 671,804,673,953.94 - Step 4: Simplify right side
1,213,127,952,209.20x = 1,124,714,692,653,070,782,824,448 - Step 5: Solve for x
x = 1,124,714,692,653,070,782,824,448/1,213,127,952,209.20 - Step 6: Final answer
x = 927,119,592,459.21
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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.