Finding the Fourth Proportional to 560,844,905.80, 841,267,358.70 and 465,293,417.80
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Solution
The fourth proportional to 560,844,905.80, 841,267,358.70 and 465,293,417.80 is: 697,940,126.70
Step by Step Solution
- Step 1: Write the proportion equation
560,844,905.80 : 841,267,358.70 = 465,293,417.80 : x - Step 2: Convert to fraction form
560,844,905.80/841,267,358.70 = 465,293,417.80/x - Step 3: Cross multiply
560,844,905.80x = 841,267,358.70 × 465,293,417.80 - Step 4: Simplify right side
560,844,905.80x = 391,436,164,613,101,568 - Step 5: Solve for x
x = 391,436,164,613,101,568/560,844,905.80 - Step 6: Final answer
x = 697,940,126.70
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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.