Finding the Fourth Proportional to 469,671,699.13, 648,259,827.65 and 268,844,989.97
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Solution
The fourth proportional to 469,671,699.13, 648,259,827.65 and 268,844,989.97 is: 371,070,701.49
Step by Step Solution
- Step 1: Write the proportion equation
469,671,699.13 : 648,259,827.65 = 268,844,989.97 : x - Step 2: Convert to fraction form
469,671,699.13/648,259,827.65 = 268,844,989.97/x - Step 3: Cross multiply
469,671,699.13x = 648,259,827.65 × 268,844,989.97 - Step 4: Simplify right side
469,671,699.13x = 174,281,406,863,802,784 - Step 5: Solve for x
x = 174,281,406,863,802,784/469,671,699.13 - Step 6: Final answer
x = 371,070,701.49
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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.