Home / 942,413,208.57-1,300,488,266.70-540,238,630.32

Finding the Fourth Proportional to 942,413,208.57, 1,300,488,266.70 and 540,238,630.32

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Solution

The fourth proportional to 942,413,208.57, 1,300,488,266.70 and 540,238,630.32 is: 745,505,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,413,208.57 : 1,300,488,266.70 = 540,238,630.32 : x
  2. Step 2: Convert to fraction form
    942,413,208.57/1,300,488,266.70 = 540,238,630.32/x
  3. Step 3: Cross multiply
    942,413,208.57x = 1,300,488,266.70 × 540,238,630.32
  4. Step 4: Simplify right side
    942,413,208.57x = 702,573,999,949,238,912
  5. Step 5: Solve for x
    x = 702,573,999,949,238,912/942,413,208.57
  6. Step 6: Final answer
    x = 745,505,255.61

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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.