Home / 21,842,208,010.40-32,763,312,015.60-21,229,987,978.40

Finding the Fourth Proportional to 21,842,208,010.40, 32,763,312,015.60 and 21,229,987,978.40

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Solution

The fourth proportional to 21,842,208,010.40, 32,763,312,015.60 and 21,229,987,978.40 is: 31,844,981,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,208,010.40 : 32,763,312,015.60 = 21,229,987,978.40 : x
  2. Step 2: Convert to fraction form
    21,842,208,010.40/32,763,312,015.60 = 21,229,987,978.40/x
  3. Step 3: Cross multiply
    21,842,208,010.40x = 32,763,312,015.60 × 21,229,987,978.40
  4. Step 4: Simplify right side
    21,842,208,010.40x = 695,564,720,223,756,353,536
  5. Step 5: Solve for x
    x = 695,564,720,223,756,353,536/21,842,208,010.40
  6. Step 6: Final answer
    x = 31,844,981,967.60

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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.