Home / 841,608,804.80-1,161,319,549.91-465,214,544.48

Finding the Fourth Proportional to 841,608,804.80, 1,161,319,549.91 and 465,214,544.48

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Solution

The fourth proportional to 841,608,804.80, 1,161,319,549.91 and 465,214,544.48 is: 641,940,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,608,804.80 : 1,161,319,549.91 = 465,214,544.48 : x
  2. Step 2: Convert to fraction form
    841,608,804.80/1,161,319,549.91 = 465,214,544.48/x
  3. Step 3: Cross multiply
    841,608,804.80x = 1,161,319,549.91 × 465,214,544.48
  4. Step 4: Simplify right side
    841,608,804.80x = 540,262,745,407,099,328
  5. Step 5: Solve for x
    x = 540,262,745,407,099,328/841,608,804.80
  6. Step 6: Final answer
    x = 641,940,462.51

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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.