Home / 1,702,457,259.89-2,347,303,756.65-1,399,985,538.80

Finding the Fourth Proportional to 1,702,457,259.89, 2,347,303,756.65 and 1,399,985,538.80

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Solution

The fourth proportional to 1,702,457,259.89, 2,347,303,756.65 and 1,399,985,538.80 is: 1,930,263,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,457,259.89 : 2,347,303,756.65 = 1,399,985,538.80 : x
  2. Step 2: Convert to fraction form
    1,702,457,259.89/2,347,303,756.65 = 1,399,985,538.80/x
  3. Step 3: Cross multiply
    1,702,457,259.89x = 2,347,303,756.65 × 1,399,985,538.80
  4. Step 4: Simplify right side
    1,702,457,259.89x = 3,286,191,314,469,178,368
  5. Step 5: Solve for x
    x = 3,286,191,314,469,178,368/1,702,457,259.89
  6. Step 6: Final answer
    x = 1,930,263,620.65

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Double scale
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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.