Home / 1,249,691,748.44-1,724,508,700.80-713,738,047.10

Finding the Fourth Proportional to 1,249,691,748.44, 1,724,508,700.80 and 713,738,047.10

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Solution

The fourth proportional to 1,249,691,748.44, 1,724,508,700.80 and 713,738,047.10 is: 984,920,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,691,748.44 : 1,724,508,700.80 = 713,738,047.10 : x
  2. Step 2: Convert to fraction form
    1,249,691,748.44/1,724,508,700.80 = 713,738,047.10/x
  3. Step 3: Cross multiply
    1,249,691,748.44x = 1,724,508,700.80 × 713,738,047.10
  4. Step 4: Simplify right side
    1,249,691,748.44x = 1,230,847,472,315,950,336
  5. Step 5: Solve for x
    x = 1,230,847,472,315,950,336/1,249,691,748.44
  6. Step 6: Final answer
    x = 984,920,860.57

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Double scale
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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.