Home / 1,264,247,275,459.80-1,744,662,531,341-686,183,913,414.78

Finding the Fourth Proportional to 1,264,247,275,459.80, 1,744,662,531,341 and 686,183,913,414.78

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Solution

The fourth proportional to 1,264,247,275,459.80, 1,744,662,531,341 and 686,183,913,414.78 is: 946,934,501,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,247,275,459.80 : 1,744,662,531,341 = 686,183,913,414.78 : x
  2. Step 2: Convert to fraction form
    1,264,247,275,459.80/1,744,662,531,341 = 686,183,913,414.78/x
  3. Step 3: Cross multiply
    1,264,247,275,459.80x = 1,744,662,531,341 × 686,183,913,414.78
  4. Step 4: Simplify right side
    1,264,247,275,459.80x = 1,197,159,363,343,703,705,911,296
  5. Step 5: Solve for x
    x = 1,197,159,363,343,703,705,911,296/1,264,247,275,459.80
  6. Step 6: Final answer
    x = 946,934,501,328.71

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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.