Home / 5,640,402,513.60-8,455,228,999.20-4,396,142,980.80

Finding the Fourth Proportional to 5,640,402,513.60, 8,455,228,999.20 and 4,396,142,980.80

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Solution

The fourth proportional to 5,640,402,513.60, 8,455,228,999.20 and 4,396,142,980.80 is: 6,590,025,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,402,513.60 : 8,455,228,999.20 = 4,396,142,980.80 : x
  2. Step 2: Convert to fraction form
    5,640,402,513.60/8,455,228,999.20 = 4,396,142,980.80/x
  3. Step 3: Cross multiply
    5,640,402,513.60x = 8,455,228,999.20 × 4,396,142,980.80
  4. Step 4: Simplify right side
    5,640,402,513.60x = 37,170,395,615,889,686,528
  5. Step 5: Solve for x
    x = 37,170,395,615,889,686,528/5,640,402,513.60
  6. Step 6: Final answer
    x = 6,590,025,361.89

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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.