Home / 21,066,429,745.15-31,599,581,628.89-5,345,223,985.15

Finding the Fourth Proportional to 21,066,429,745.15, 31,599,581,628.89 and 5,345,223,985.15

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Solution

The fourth proportional to 21,066,429,745.15, 31,599,581,628.89 and 5,345,223,985.15 is: 8,017,819,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,429,745.15 : 31,599,581,628.89 = 5,345,223,985.15 : x
  2. Step 2: Convert to fraction form
    21,066,429,745.15/31,599,581,628.89 = 5,345,223,985.15/x
  3. Step 3: Cross multiply
    21,066,429,745.15x = 31,599,581,628.89 × 5,345,223,985.15
  4. Step 4: Simplify right side
    21,066,429,745.15x = 168,906,841,643,448,107,008
  5. Step 5: Solve for x
    x = 168,906,841,643,448,107,008/21,066,429,745.15
  6. Step 6: Final answer
    x = 8,017,819,995.45

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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.