Home / 1,347,991,936.40-2,021,987,904.60-530,130,918.80

Finding the Fourth Proportional to 1,347,991,936.40, 2,021,987,904.60 and 530,130,918.80

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Solution

The fourth proportional to 1,347,991,936.40, 2,021,987,904.60 and 530,130,918.80 is: 795,196,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,991,936.40 : 2,021,987,904.60 = 530,130,918.80 : x
  2. Step 2: Convert to fraction form
    1,347,991,936.40/2,021,987,904.60 = 530,130,918.80/x
  3. Step 3: Cross multiply
    1,347,991,936.40x = 2,021,987,904.60 × 530,130,918.80
  4. Step 4: Simplify right side
    1,347,991,936.40x = 1,071,918,305,668,084,736
  5. Step 5: Solve for x
    x = 1,071,918,305,668,084,736/1,347,991,936.40
  6. Step 6: Final answer
    x = 795,196,378.20

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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.