Home / 949,440,090.54-1,309,809,974.30-572,886,656.57

Finding the Fourth Proportional to 949,440,090.54, 1,309,809,974.30 and 572,886,656.57

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Solution

The fourth proportional to 949,440,090.54, 1,309,809,974.30 and 572,886,656.57 is: 790,331,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,440,090.54 : 1,309,809,974.30 = 572,886,656.57 : x
  2. Step 2: Convert to fraction form
    949,440,090.54/1,309,809,974.30 = 572,886,656.57/x
  3. Step 3: Cross multiply
    949,440,090.54x = 1,309,809,974.30 × 572,886,656.57
  4. Step 4: Simplify right side
    949,440,090.54x = 750,372,656,920,435,072
  5. Step 5: Solve for x
    x = 750,372,656,920,435,072/949,440,090.54
  6. Step 6: Final answer
    x = 790,331,759.11

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1.5x scale

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.