Home / 14,507,456,005.20-21,761,184,007.80-5,315,402,859.60

Finding the Fourth Proportional to 14,507,456,005.20, 21,761,184,007.80 and 5,315,402,859.60

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Solution

The fourth proportional to 14,507,456,005.20, 21,761,184,007.80 and 5,315,402,859.60 is: 7,973,104,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,456,005.20 : 21,761,184,007.80 = 5,315,402,859.60 : x
  2. Step 2: Convert to fraction form
    14,507,456,005.20/21,761,184,007.80 = 5,315,402,859.60/x
  3. Step 3: Cross multiply
    14,507,456,005.20x = 21,761,184,007.80 × 5,315,402,859.60
  4. Step 4: Simplify right side
    14,507,456,005.20x = 115,669,459,703,341,907,968
  5. Step 5: Solve for x
    x = 115,669,459,703,341,907,968/14,507,456,005.20
  6. Step 6: Final answer
    x = 7,973,104,289.40

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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.