Home / 12,480,742,616.70-18,723,885,291.45-4,199,395,928.70

Finding the Fourth Proportional to 12,480,742,616.70, 18,723,885,291.45 and 4,199,395,928.70

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Solution

The fourth proportional to 12,480,742,616.70, 18,723,885,291.45 and 4,199,395,928.70 is: 6,300,026,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,742,616.70 : 18,723,885,291.45 = 4,199,395,928.70 : x
  2. Step 2: Convert to fraction form
    12,480,742,616.70/18,723,885,291.45 = 4,199,395,928.70/x
  3. Step 3: Cross multiply
    12,480,742,616.70x = 18,723,885,291.45 × 4,199,395,928.70
  4. Step 4: Simplify right side
    12,480,742,616.70x = 78,629,007,662,360,936,448
  5. Step 5: Solve for x
    x = 78,629,007,662,360,936,448/12,480,742,616.70
  6. Step 6: Final answer
    x = 6,300,026,374.80

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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.