Home / 743,640,399.68-1,113,306,541.14-560,180,520.32

Finding the Fourth Proportional to 743,640,399.68, 1,113,306,541.14 and 560,180,520.32

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Solution

The fourth proportional to 743,640,399.68, 1,113,306,541.14 and 560,180,520.32 is: 838,648,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,640,399.68 : 1,113,306,541.14 = 560,180,520.32 : x
  2. Step 2: Convert to fraction form
    743,640,399.68/1,113,306,541.14 = 560,180,520.32/x
  3. Step 3: Cross multiply
    743,640,399.68x = 1,113,306,541.14 × 560,180,520.32
  4. Step 4: Simplify right side
    743,640,399.68x = 623,652,637,491,464,832
  5. Step 5: Solve for x
    x = 623,652,637,491,464,832/743,640,399.68
  6. Step 6: Final answer
    x = 838,648,139.29

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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.