Home / 15,586,382,126.34-21,510,810,485.10-9,483,167,970.36

Finding the Fourth Proportional to 15,586,382,126.34, 21,510,810,485.10 and 9,483,167,970.36

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Solution

The fourth proportional to 15,586,382,126.34, 21,510,810,485.10 and 9,483,167,970.36 is: 13,087,747,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,382,126.34 : 21,510,810,485.10 = 9,483,167,970.36 : x
  2. Step 2: Convert to fraction form
    15,586,382,126.34/21,510,810,485.10 = 9,483,167,970.36/x
  3. Step 3: Cross multiply
    15,586,382,126.34x = 21,510,810,485.10 × 9,483,167,970.36
  4. Step 4: Simplify right side
    15,586,382,126.34x = 203,990,629,008,784,359,424
  5. Step 5: Solve for x
    x = 203,990,629,008,784,359,424/15,586,382,126.34
  6. Step 6: Final answer
    x = 13,087,747,198.50

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Double scale
Find fourth proportional to 15,586,382,127.34, 21,510,810,486.48 and 9,483,167,971.36
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.