Home / 1,322,169,969.15-1,983,254,953.73-709,949,937.15

Finding the Fourth Proportional to 1,322,169,969.15, 1,983,254,953.73 and 709,949,937.15

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Solution

The fourth proportional to 1,322,169,969.15, 1,983,254,953.73 and 709,949,937.15 is: 1,064,924,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,169,969.15 : 1,983,254,953.73 = 709,949,937.15 : x
  2. Step 2: Convert to fraction form
    1,322,169,969.15/1,983,254,953.73 = 709,949,937.15/x
  3. Step 3: Cross multiply
    1,322,169,969.15x = 1,983,254,953.73 × 709,949,937.15
  4. Step 4: Simplify right side
    1,322,169,969.15x = 1,408,011,729,749,489,920
  5. Step 5: Solve for x
    x = 1,408,011,729,749,489,920/1,322,169,969.15
  6. Step 6: Final answer
    x = 1,064,924,905.73

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Double scale
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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.